Requires

Worldfire must be in hand. Marath, Will of the Wild must be in the command zone. Marath, Will of the Wild must be your commander. Mana needed: plus enough mana to pay for commander tax, if applicable

Steps

1. Cast Worldfire by paying , exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
2. Cast Marath from the command zone by paying and commander tax, if applicable, causing Marath to enter the battlefield with a +1/+1 counter on it for each mana spent to cast it.
3. Activate Marath by paying and removing a +1/+1 counter from it, dealing 1 damage to any opponent.
4. The opponent loses the game due to having zero or less life.
5. Repeat from step 3 for each remaining opponent.

Results