Heartless Hidetsugu, and Triumph of the Hordes

Prerequisites

• Heartless Hidetsugu on the battlefield
• Triumph of the Hordes in hand
• undefined available

Steps

1. Cast Triumph of the Hordes by paying , giving each creature you control +1+1, trample and infect until end of turn
2. Activate Heartless Hidetsugu by tapping it, causing each player to get a number of poison counters equal to half their life total, rounded down
3. Each opponent loses the game due to having ten or more poison counters

Results

• Each opponent loses the game