Hydra Omnivore, and Triumph of the Hordes

Prerequisites

• Hydra Omnivore on the battlefield
• Triumph of the Hordes in hand
• An opponent cannot block Hydra Omnivore
• You have a way to increase Hydra Omnivore's power by 1 or more, or each opponent has at least one poison counter
• available

Steps

1. Cast Triumph of the Hordes by paying , giving creatures you control +1/+1, trample and infect until end of turn
2. Deal combat damage to an opponent using Hydra Omnivore, causing them to get at least nine poison counters
3. The opponent loses the game as a state-based action due to having ten or more poison counters
4. Hydra Omnivore triggers, causing each other opponent to get at least nine poison counters
5. Each remaining opponent loses the game as a state-based action due to having ten or more poison counters

Results

• Each opponent loses the game