Mister Negative, Kuro, Pitlord, and Cloudsteel Kirin

Prerequisites

• Mister Negative in hand or in the command zone
• Kuro, Pitlord on the battlefield
• Cloudsteel Kirin on the battlefield

Steps

1. Activate Kuro by paying life
2. Repeat step 1 until you have 0 life
3. Cast Mister Negative by paying plus commander tax if applicable
4. When Mister Negative enters, it triggers, swapping your life total with an opponent's
5. The opponent loses the game due to having 0 life

Results

• Near-infinite lifeloss for target opponent
• Target opponent loses the game