Repay in Kind, and Cavern Harpy

Prerequisites

• Repay in Kind in hand
• Cavern Harpy on the battlefield
• available

Steps

1. Activate Cavern Harpy by paying 1 life
2. Repeat step 1 until you have 0 life
3. Resolve all Cavern Harpy abilities
4. Cast Repay in Kind by paying , causing each opponent's life total to become 0
5. Each opponent loses the game as a state-based action due to having 0 life

Results

• Each opponent loses the game
• Near-infinite lifeloss for all players