Heartless Hidetsugu, and Fiendish Duo

Prerequisites

• Heartless Hidetsugu on the battlefield
• Fiendish Duo on the battlefield

Steps

1. Activate Heartless Hidetsugu by tapping it, causing it to deal lethal damage to each opponent with an even life total, nearly lethal damage to each opponent with an odd life total, and damage equal to half your life total rounded down to you

Results

• Each opponent with an even life total loses the game
• Near-infinite damage