Worldfire + Kaya the Inexorable + Cauldron Familiar Combo

Worldfire in hand.

Kaya the Inexorable and Cauldron Familiar on the battlefield.

available

Activate Kaya's first loyalty ability, putting a ghostform counter on Cauldron Familiar.

Cast Worldfire, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.

Cauldron Familiar triggers, returning itself from exile to your hand and creating a 1/1 Spirit creature token.

Cast Cauldron Familiar.

Cauldron Familiar enters the battlefield, losing each opponent 1 life and you to gain 1 life.

Each opponent loses the game

Exile all cards in hands and graveyards

Exile all permanents

Significant lifeloss

Mass Land Denial