Cacophodon, Hammerfist Giant, and Eldrazi Monument

Prerequisites

• Cacophodon on the battlefield
• Hammerfist Giant on the battlefield
• Eldrazi Monument on the battlefield
• Hammerfist Giant does not have summoning sickness
• Your life total is at least four greater than each opponent's life total

Steps

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

Results

• Infinite damage