Ashling, Flame Dancer + Worldfire + Valley Floodcaller Combo

Worldfire in hand.

Ashling and Valley Floodcaller on the battlefield.

You have not triggered Ashling's ability this turn. You have another instant or sorcery spell in hand. Your deck size is at least 2.

plus enough mana to cast the additional instant or sorcery available

Cast an instant or sorcery spell by paying its mana cost, triggering Ashling.

Holding priority, cast Worldfire by paying .

Ashling triggers, causing you to rummage.

Resolve Worldfire, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to 1.

Resolve the Ashling trigger from step 1, dealling 2 damage to each opponent.

Each opponent loses the game as a state-based action due to having less than 0 life.

Each opponent loses the game

Exile all cards in hands and graveyards

Exile all permanents

Significant lifeloss for all players

Mass Land Denial