Cacophodon + Hammerfist Giant + Heroic Intervention Combo

Heroic Intervention in hand.

Cacophodon and Hammerfist Giant on the battlefield.

Hammerfist Giant does not have summoning sickness. Your life total is at least four greater than each opponent's life total.

available

Cast Heroic Intervention by paying , giving permanents you control hexproof and indestructible until end of turn.

Activate Hammerfist Giant by tapping it, dealing 4 damage to each creature without flying and each player.

Cacophodon triggers, untapping Hammerfist Giant.

Repeat from step 2.

Infinite damage