Worldfire + Emergence Zone + Cauldron Familiar

Worldfire

Emergence Zone

Cauldron Familiar

How it works

1. Activate Emergence Zone's second ability by paying 1, tapping and sacrificing it, allowing you to cast spells this turn as though they had flash.
2. Cast Cauldron Familiar by paying .
3. When Cauldron Familiar enters the battlefield, it triggers.
4. Holding priority, cast Worldfire by paying 6, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
5. Resolve the Voldran Epicure trigger from step 2, causing each opponent to lose 1 life and you to gain 1 life.
6. Each opponent loses the game due to having 0 or less life.

By leveraging Emergence Zone, you can break the sorcery-speed restriction of Worldfire, casting it instantly at a time of your choosing. Before Worldfire wipes the board and resets everyone down to a single life point, you slip Cauldron Familiar onto the battlefield just in time. The stack resolves to let the cat's enter-the-battlefield trigger deal the final point of damage to your opponents right as Worldfire's cataclysmic effect settles, instantly winning the game before any other permanents or graveyards can interfere.