Doomsday + Commander's Sphere + Bolas's Citadel + Emergence Zone + Repay in Kind + Lich

Prerequisites

• Your life total is at least 24.
• You have not played land this turn.

Steps

1. 1Cast Doomsday by paying , searching your library and graveyard for Bolas's Citadel, Emergence Zone, Repay in Kind, Lich, and any other card, 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. 2Activate Commander's Sphere by sacrificing it, drawing a card.
3. 3Cast Bolas's Citadel by paying .
4. 4Play Emergence Zone from the top of your library.
5. 5Activate Emergence Zone by paying , tapping, and sacrificing it.
6. 6Cast Repay in Kind from the top of your library by paying seven life.
7. 7Holding priority, cast Lich from the top of your library by paying 4 life.
8. 8Lich entering the battlefield, causing you to lose life equal to your life total.
9. 9Resolve the Repay in Kind, causing each player's life total to become equal to the lowest life total among all players.

Effects

• Infinite lifeloss