Cacophodon + Eldrazi Monument + Hammerfist Giant

RG identity

Commander legal

The 3 combo pieces

• Cacophodon
• Eldrazi Monument
• Hammerfist Giant

What must be in place

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

How to execute it

1. Activate Hammefist Giant by tapping it, dealing 4 damage to each creature without flying and each player.
2. Cacophodon triggers, untapping Hammerfist Giant.
3. Repeat.

What the combo produces

• Infinite damage