Heartless Hidetsugu, City on Fire, and Platinum Angel

Prerequisites

• Heartless Hidetsugu on the battlefield
• City on Fire on the battlefield
• Platinum Angel on the battlefield

Steps

1. Activate Heartless Hidetsugu by tapping it, causing it to deal damage to each player equal to 3/2 their life total
2. Each opponent loses the game due to having zero or less life, and you do not lose the game due to Platinum Angel

Results

• Each opponent loses the game
• Near-infinite damage