It That Betrays + Mirrorweave + Bronze Bombshell

Prerequisites

• Each opponent controls a creature.
• You have a way to sacrifice Bronze Bombshell.

Steps

1. 1Cast Mirrorweave by paying , causing each other creature to become a copy of It That Betrays until end of turn.
2. 2Sacrifice Bronze Bombshell by any method, triggering each It That Betrays controlled by an opponent.
3. 3Resolve one of the It the Betrays triggers, causing an opponent to put Bronze Bombshell from your graveyard onto the battlefield under their control.
4. 4Bronze Bombshell triggers, causing its controller to sacrifice it and dealing 7 damage to its controller.
5. 5Each It That Betrays not controlled by Bronze Bombshell's controller triggers, with your triggers being below each opponent's triggers.
6. 6Repeat from step 3.

Effects

• Near-infinite damage