On the end step prior to your turn, cast Channel by paying {G}{G}.
Activate Channel by paying 1 life, adding {C}.
Repeat step 2 until you have exactly 1 life.
At the beginning of your upkeep, Near-Death Experience triggers, causing you to win the game.

Win the game

Channel

Near-Death Experience

Vedalken Orrery

Cast Channel.
Gain at least 1 life.
When Dawn of Hope triggers, hold priority.
Pay 3 life to add {C}{C}{C}.
Spend {C} to activate Words of Worship, meaning that the next tine you would draw a card, you will gain 5 life instead.
Resolve the Dawn of Hope trigger, paying {C}{C} to attempt to draw a card, gaining 5 life instead.
Repeat steps 3-6.

Infinite colorless mana

Infinite lifegain

Words of Worship

Dawn of Hope

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Pelakka Wurm, adding {U}.
When Pelakka Wurm dies, its second ability and Fool's Demise's first and second abilities trigger.
Resolve the Pelakka Wurm trigger, causing you to draw a card.
Resolve the first Fool's Demise trigger, returning Pelakka Wurm from your graveyard to the battlefield.
When Pelakka Wurm enters the battlefield, its first ability triggers, causing you to gain 7 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Pelakka Wurm.
Repeat from step 2.

Infinite card draw

Infinite draw triggers

Near-infinite colorless mana

Near-infinite death triggers

Near-infinite ETB

Near-infinite lifegain

Near-infinite lifegain triggers

Near-infinite LTB

Near-infinite sacrifice triggers

Near-infinite storm count

Fool's Demise

Phyrexian Altar

Pelakka Wurm

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Webweaver Changeling, adding {U}.
When Webweaver Changeling dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Webweaver Changeling from your graveyard to the battlefield.
When Webweaver Changeling enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Webweaver Changeling.
Repeat from step 2.

Infinite death triggers

Infinite ETB

Infinite lifegain triggers

Infinite LTB

Infinite sacrifice triggers

Infinite storm count

Webweaver Changeling

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Hollowhenge Scavenger, adding {U}.
When Hollowhenge Scavenger dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Hollowhenge Scavenger from your graveyard to the battlefield.
When Hollowhenge Scavenger enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Hollowhenge Scavenger.
Repeat from step 2.

Hollowhenge Scavenger

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Arborback Stomper, adding {U}.
When Arborback Stomper dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Arborback Stomper from your graveyard to the battlefield.
When Arborback Stomper enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Arborback Stomper.
Repeat from step 2.

Arborback Stomper

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Honey Mammoth, adding {U}.
When Honey Mammoth dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Honey Mammoth from your graveyard to the battlefield.
When Honey Mammoth enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Honey Mammoth.
Repeat from step 2.

Honey Mammoth

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Ravenous Lindwurm, adding {U}.
When Ravenous Lindwurm dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Ravenous Lindwurm from your graveyard to the battlefield.
When Ravenous Lindwurm enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Ravenous Lindwurm.
Repeat from step 2.

Ravenous Lindwurm

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Obstinate Baloth, adding {U}.
When Obstinate Baloth dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Obstinate Baloth from your graveyard to the battlefield.
When Obstinate Baloth enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Obstinate Baloth.
Repeat from step 2.

Obstinate Baloth

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Trufflesnout, adding {U}.
When Trufflesnout dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Trufflesnout from your graveyard to the battlefield.
When Trufflesnout enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Trufflesnout.
Repeat from step 2.

Trufflesnout

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Thragtusk, adding {U}.
When Thragtusk dies, its second ability and Fool's Demise's first and second abilities trigger.
Resolve the Thragtusk trigger, creating a 3/3 Beast creature token.
Resolve the first Fool's Demise trigger, returning Thragtusk from your graveyard to the battlefield.
When Thragtusk enters the battlefield, its first ability triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Thragtusk.
Repeat from step 2.

Infinite colored mana

Infinite creature tokens

Thragtusk

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Saruli Gatekeepers, adding {U}.
When Saruli Gatekeepers dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Saruli Gatekeepers from your graveyard to the battlefield.
When Saruli Gatekeepers enters the battlefield, it triggers, causing you to gain 7 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Saruli Gatekeepers.
Repeat from step 2.

Saruli Gatekeepers

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Enatu Golem, adding {U}.
When Enatu Golem dies, it and Fool's Demise's first and second abilities trigger.
Resolve the Enatu Golem trigger, causing you to gain 4 life.
Resolve the first Fool's Demise trigger, returning Enatu Golem from your graveyard to the battlefield.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Enatu Golem.
Repeat from step 2.

Enatu Golem

Tidal Barracuda

Leyline of Anticipation

Cast Channel.
Pay one life to add {C}.
Vilis triggers.
Maintaining Priority on the trigger, activate Words of Worship.
Resolve the Vilis trigger, gaining five life.
Repeat steps 2-5.

Vilis, Broker of Blood

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Bleak Coven Vampires, adding {U}.
When Bleak Coven Vampires dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Bleak Coven Vampires from your graveyard to the battlefield.
When Bleak Coven Vampires enters the battlefield, it triggers, causing you to gain 4 life and an opponent to lose 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Bleak Coven Vampires.
Repeat from step 2.

Infinite lifeloss

Bleak Coven Vampires

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Kokusho, adding {U}.
When Kokusho dies, it and Fool's Demise's first and second abilities trigger.
Resolve the Kokusho trigger, causing each opponent to lose 5 life, and you to gain life equal to the life lost this way.
Resolve the first Fool's Demise trigger, returning Kokusho from your graveyard to the battlefield.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Kokusho.
Repeat from step 2.

Kokusho, the Evening Star

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Blex, adding {U}.
When Blex dies, it and Fool's Demise's first and second abilities trigger.
Resolve the Blex trigger, causing you to gain 4 life.
Resolve the first Fool's Demise trigger, returning Blex from your graveyard to the battlefield.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Blex.
Repeat from step 2.

Blex, Vexing Pest // Search for Blex

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Mycoid Shepherd, adding {U}.
When Mycoid Shepherd dies, it and Fool's Demise's first and second abilities trigger.
Resolve the Mycoid Shepherd trigger, causing you to gain 5 life.
Resolve the first Fool's Demise trigger, returning Mycoid Shepherd from your graveyard to the battlefield.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Mycoid Shepherd.
Repeat from step 2.

Mycoid Shepherd

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Gray Merchant of Asphodel, adding {U}.
When Gray Merchant of Asphodel dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Gray Merchant of Asphodel from your graveyard to the battlefield.
When Gray Merchant of Asphodel enters the battlefield, it triggers, causing each opponent to lose life equal to your devotion to black, and you to gain life equal to the life lost this way.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Gray Merchant of Asphodel.
Repeat from step 2.

Gray Merchant of Asphodel

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Malakir Blood-Priest, adding {U}.
When Malakir Blood-Priest dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Malakir Blood-Priest from your graveyard to the battlefield.
When Malakir Blood-Priest enters the battlefield, it triggers, causing you to gain 4 life and each opponent to lose 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Malakir Blood-Priest.
Repeat from step 2.

Malakir Blood-Priest

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Linvala, adding {U}.
When Linvala dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Linvala from your graveyard to the battlefield.
When Linvala enters the battlefield, its first ability triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel five times by paying 5 life, adding {C}{C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Linvala.
Repeat from step 2.

Linvala, the Preserver

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Airdrop Aeronauts, adding {U}.
When Airdrop Aeronauts dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Airdrop Aeronauts from your graveyard to the battlefield.
When Airdrop Aeronauts enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Airdrop Aeronauts.
Repeat from step 2.

Airdrop Aeronauts

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Loxodon Restorer, adding {U}.
When Loxodon Restorer dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Loxodon Restorer from your graveyard to the battlefield.
When Loxodon Restorer enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Loxodon Restorer.
Repeat from step 2.

Loxodon Restorer

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Loxodon Hierarch, adding {U}.
When Loxodon Hierarch dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Loxodon Hierarch from your graveyard to the battlefield.
When Loxodon Hierarch enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Loxodon Hierarch.
Repeat from step 2.

Loxodon Hierarch

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Staunch Defenders, adding {U}.
When Staunch Defenders dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Staunch Defenders from your graveyard to the battlefield.
When Staunch Defenders enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Staunch Defenders.
Repeat from step 2.

Staunch Defenders

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Knight of Autumn, adding {U}.
When Knight of Autumn dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Knight of Autumn from your graveyard to the battlefield.
When Knight of Autumn enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Knight of Autumn.
Repeat from step 2.

Knight of Autumn

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Spiritual Guardian, adding {U}.
When Spiritual Guardian dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Spiritual Guardian from your graveyard to the battlefield.
When Spiritual Guardian enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Spiritual Guardian.
Repeat from step 2.

Spiritual Guardian

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Skystreamer, adding {U}.
When Skystreamer dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Skystreamer from your graveyard to the battlefield.
When Skystreamer enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Skystreamer.
Repeat from step 2.

Skystreamer

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Teroh's Faithful, adding {U}.
When Teroh's Faithful dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Teroh's Faithful from your graveyard to the battlefield.
When Teroh's Faithful enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Teroh's Faithful.
Repeat from step 2.

Teroh's Faithful

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Skemfar Shadowsage, adding {U}.
When Skemfar Shadowsage dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Skemfar Shadowsage from your graveyard to the battlefield.
When Skemfar Shadowsage enters the battlefield, it triggers, causing you to gain at least 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Skemfar Shadowsage.
Repeat from step 2.
If you control five or more creatures that share a creature type, this combo nets infinite lifegain and colorless mana.

Skemfar Shadowsage

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Shu Soldier-Farmers, adding {U}.
When Shu Soldier-Farmers dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Shu Soldier-Farmers from your graveyard to the battlefield.
When Shu Soldier-Farmers enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Shu Soldier-Farmers.
Repeat from step 2.

Shu Soldier-Farmers

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Radiant's Dragoons, adding {U}.
When Radiant's Dragoons dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Radiant's Dragoons from your graveyard to the battlefield.
When Radiant's Dragoons enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Radiant's Dragoons.
Repeat from step 2.

Radiant's Dragoons

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Lone Missionary, adding {U}.
When Lone Missionary dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Lone Missionary from your graveyard to the battlefield.
When Lone Missionary enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Lone Missionary.
Repeat from step 2.

Lone Missionary

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Jedit's Dragoons, adding {U}.
When Jedit's Dragoons dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Jedit's Dragoons from your graveyard to the battlefield.
When Jedit's Dragoons enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Jedit's Dragoons.
Repeat from step 2.

Jedit's Dragoons

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Inspiring Cleric, adding {U}.
When Inspiring Cleric dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Inspiring Cleric from your graveyard to the battlefield.
When Inspiring Cleric enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Inspiring Cleric.
Repeat from step 2.

Inspiring Cleric

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Bulwark Giant, adding {U}.
When Bulwark Giant dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Bulwark Giant from your graveyard to the battlefield.
When Bulwark Giant enters the battlefield, it triggers, causing you to gain 5 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Bulwark Giant.
Repeat from step 2.

Bulwark Giant

Cast Channel by paying {G}{G}.
Activate Phyrexian Altar by sacrificing Dawning Angel, adding {U}.
When Dawning Angel dies, Fool's Demise's first and second abilities trigger.
Resolve the first Fool's Demise trigger, returning Dawning Angel from your graveyard to the battlefield.
When Dawning Angel enters the battlefield, it triggers, causing you to gain 4 life.
Resolve the second Fool's Demise trigger, returning it from your graveyard to your hand.
Activate Channel four times by paying 4 life, adding {C}{C}{C}{C}.
Cast Fool's Demise by paying {4}{U}, attaching it to Dawning Angel.
Repeat from step 2.

Combos with "Channel"