Clock of Omens + Metalwork Colossus + The Underworld Cookbook + Worldwalker Helm

U identity

Commander legal

The 4 combo pieces

• Clock of Omens
• Metalwork Colossus
• The Underworld Cookbook
• Worldwalker Helm

How to execute it

1. Activate The Underworld Cookbook's first ability by tapping it and discarding Metalwork Colossus, creating a Map and a Food token.
2. Activate Clock of Omens by tapping the Food and Map, untapping The Underworld Cookbook.
3. Activate Metalwork Colossus by sacrificing the Food and Map, returning it from your graveyard to your hand.
4. Repeat.

What the combo produces

• Infinite self-discard triggers