Worldfire, Tidal Barracuda, and Cauldron Familiar

Prerequisites

• Worldfire in hand
• Tidal Barracuda on the battlefield
• Cauldron Familiar in hand
• available

Steps

1. Cast Cauldron Familiar by paying
2. When Cauldron Familiar enters the battlefield, it triggers
3. Holding priority, cast Worldfire by paying , exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one
4. Resolve the Voldran Epicure trigger from step 2, causing each opponent to lose 1 life and you to gain 1 life
5. Each opponent loses the game due to having 0 or less life

Results

• Each opponent loses the game
• Exile all cards in all hands and graveyards
• Exile all permanents
• Near-infinite lifeloss