Goblin Bombardment + Metalwork Colossus + Smaug the Impenetrable + Worldwalker Helm

UBR identity

Commander legal

The 4 combo pieces

• Goblin Bombardment
• Metalwork Colossus
• Smaug the Impenetrable
• Worldwalker Helm

How to execute it

1. Activate Goblin Bombardment by sacrificing Metalwork Colossus, dealing 1 damage to Smaug.
2. Smaug triggers, creating two artifact tokens due to Worldwalker Helm.
3. Activate Metalwork Colossus by sacrificing the two artifact tokens, returning Metalwork Colossus from your graveyard to your hand.
4. Cast Metalwork Colossus by paying {0}.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count