Activate Warren Soultrader by paying 1 life and sacrificing Reassembling Skeleton.
When Reassembling Skeleton dies, Edgar and Pitiless Plunderer trigger.
Resolve the Edgar trigger, Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Resolve the Warren Soultrader ability, creating a Treasure token.
Activate the Treasures by tapping and sacrificing them, adding {1}{B}.
Activate Reassembling Skeleton by paying {1}{B}, returning it from your graveyard to the battlefield.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite artifact sacrifice triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite death triggers

Warren Soultrader

Pitiless Plunderer

Reassembling Skeleton

Edgar, Ancient Bloodlord

Activate Warren Soultrader by paying 1 life and sacrificing Gravecrawler.
When Gravecrawler dies, Edgar triggers, causing you to gain 1 life and target opponent to lose 1 life.
Resolve the Warren Soultrader ability, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Cast Gravecrawler from your graveyard by paying {B}.
Repeat.

Infinite lifegain triggers

Infinite storm count

Gravecrawler

Activate Yawgmoth by paying 1 life and sacrificing the undying creature.
When the creature dies, Edgar, Pawn of Ulamog and the undying creature's undying ability trigger.
Resolve the Edgar trigger, Resolve the Pawn of Ulamog ability, creating a 0/1 Eldrazi Spawn creature token.
Resolve the undying trigger, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it.
Resolve the Yawgmoth ability, putting a -1/-1 counter on any creature and drawing a card.
Activate Yawgmoth by paying 1 life and sacrificing another creature.
When the creature dies, Edgar triggers, Resolve the Yawgmoth ability, putting a -1/-1 counter on the undying creature and drawing a card.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite creature ETB

Near-infinite creature LTB

Near-infinite creature sacrifice triggers

Near-infinite death triggers

Near-infinite lifegain triggers

Creature with Undying

Yawgmoth, Thran Physician

Pawn of Ulamog

Activate Umbral Collar Zealot by sacrificing Metamorphosis Fanatic.
When Metamorphosis Fanatic dies, Edgar triggers, causing you to gain 1 life.
Resolve the Umbral Collar Zealot ability.
Activate Umbral Collar Zealot by sacrificing Junji.
When Junji dies, it and Edgar trigger.
Resolve the Edgar trigger, causing you to gain 1 life.
Resolve the Junji trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield and causing you to lose 2 life.
When Metamorphosis Fanatic enters, it triggers, returning Junji from your graveyard to the battlefield.
Resolve the Umbral Collar Zealot ability.
Repeat.

Infinite surveil

Junji, the Midnight Sky

Umbral Collar Zealot

Metamorphosis Fanatic

Activate Chainer by paying {B}{B}{B} and 3 life, returning Grave Titan from your graveyard to the battlefield.
When Grave Titan enters, it triggers, creating two 2/2 Zombie creature tokens.
Activate Phyrexian Altar three times by sacrificing Grave Titan and the two Zombies, adding {B}{B}{B}
When Grave Titan and the Zombie tokens die, Edgar triggers three times, for each trigger.
Repeat.

Chainer, Dementia Master

Grave Titan

Phyrexian Altar

Activate Yawgmoth by paying 1 life and sacrificing another creature.
When the creature dies, Edgar triggers, causing you to gain 1 life and target opponent to lose 1 life.
Resolve the Yawgmoth ability, putting a -1/-1 counter on any other creature and causing you to draw a card.
If the creature who had the counter placed has 0 toughness, it dies as a state-based action.
Nest of Scarabs triggers, creating a 1/1 Insect creature token.
Repeat until your opponents do not control any more creatures, or until you draw your library.
If you have cards remaining in your library, you may repeat this combo any time a creature enters the battlefield under an opponent's control.

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