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.

Infinite death triggers

Infinite ETB

Infinite lifegain triggers

Infinite LTB

Infinite sacrifice triggers

Infinite storm count

Fool's Demise

Channel

Phyrexian Altar

Shu Soldier-Farmers

Combos with "Shu Soldier-Farmers"