K'rrik, Son of Yawgmoth, Doomsday, Aphotic Wisps, Cruel Bargain, Sacrifice, Mikaeus, the Unhallowed, Walking Ballista, and Viscera Seer

Prerequisites

• K'rrik, Son of Yawgmoth on the battlefield
• Doomsday in hand
• Aphotic Wisps in hand
• Cruel Bargain in the graveyard or in the library
• Sacrifice in the graveyard or in the library
• Mikaeus, the Unhallowed in the graveyard or in the library
• Walking Ballista in the graveyard or in the library
• Viscera Seer in the graveyard or in the library
• Your life total is at least 34

Steps

1. Cast Doomsday by paying 6 life, searching your library and graveyard for Cruel Bargain, Sacrifice, Mikaeus, Walking Ballista, and Viscera Seer, exiling all other cards from your graveyard and library, and then placing the remaining cards on top of your library in the order previously listed and losing half your life, rounded up
2. Cast Aphotic Wisps by paying 2 life, targeting K'rrik, causing you to draw a card
3. Cast Cruel Bargain by paying 6 life, causing you to draw four life and losing half your life, rounded up
4. Cast Sacrifice by paying 2 life and sacrificing K'rrik, adding
5. Cast Mikaeus by paying
6. Cast Viscera Seer by paying
7. Cast Walking Ballista by paying
8. Activate Viscera Seer by sacrificing Walking Ballista
9. Walking Ballista undying ability triggers, returning it to the battlefield and putting +1/+1 counter on it
10. Activate Walking Ballista by removing +1/+1 counter, dealing 1 damage to any target
11. Repeat from step 8

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry 1