Worldfire must be in hand. Mogis, God of Slaughter must be in the command zone. Mogis, God of Slaughter must be your commander. Mana needed: plus enough mana to pay for commander tax, if applicable
- Cast Worldfire by paying , exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
- Cast Mogis from the command zone by paying and commander tax, if applicable.
- At the beginning of an opponent's upkeep, Mogis triggers, dealing 2 damage to them as they are unable to sacrifice a creature.
- The opponent loses the game due to having zero or less life.
- Repeat from step 3 for each remaining opponent.
Each opponent loses the game. Exile all cards in all hands and graveyards. Exile all permanents. Near-infinite lifeloss.