Yawgmoth, Thran Physician, Zulaport Cutthroat, and Bridge from Below

Prerequisites

• Yawgmoth, Thran Physician on the battlefield
• Zulaport Cutthroat on the battlefield
• Bridge from Below in the graveyard

Steps

1. Activate Yawgmoth by paying 1 life and sacrificing the undying creature
2. When the creature dies, Zulaport Cutthroat, Bridge from Below and the undying creature's undying ability trigger
3. Resolve the Zulaport Cutthroat trigger, causing you to gain 1 life and each opponent to lose 1 life
4. Resolve the Bridge from Below ability, creating a 2/2 Zombie creature token
5. Resolve the undying trigger, returning the creature from your graveyard to the battlefield with a +1/+1 counter on it
6. Resolve the Yawgmoth ability, putting a -1/-1 counter on any creature and drawing a card
7. Activate Yawgmoth by paying 1 life and sacrificing another creature
8. When the creature dies, Zulaport Cutthroat triggers, causing you to gain 1 life and each opponent to lose 1 life Resolve the Yawgmoth ability, putting a -1/-1 counter on the undying creature and drawing a card
9. Repeat

Results

• 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
• Near-infinite lifeloss