Yawgmoth, Thran Physician, Sifter of Skulls, Zulaport Cutthroat, and Butcher Ghoul

Prerequisites

• Yawgmoth, Thran Physician on the battlefield
• Sifter of Skulls on the battlefield
• Zulaport Cutthroat on the battlefield
• Butcher Ghoul on the battlefield
• Your life total is at least 2

Steps

1. Activate Yawgmoth by paying 1 life and sacrificing Butcher Ghoul
2. Zulaport Cutthorat
3. Sifter of Skulls and Butcher Ghoul's undying ability triggers
4. Resolve the Zulaport Cutthroat trigger, causing each opponent to lose 1 life and you to gain 1 life
5. Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token
6. Resolve the Butcher Ghoul trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it
7. Resolve the Yawgmoth ability, putting a -1/-1 counter on any creature and drawing a card
8. Activate Yawgmoth by paying 1 life and sacrificing the Eldrazi Scion token
9. Zulaport Cutthroat triggers, causing each opponent to lose 1 life and you to gain 1 life
10. Resolve the Yawgmoth ability, putting a -1/-1 counter on Butcher Ghoul and drawing a card
11. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite lifeloss
• Near-infinite LTB
• Near-infinite sacrifice triggers