Bard, King of Dale + Goblin Bombardment + Metalwork Colossus + Smaug the Impenetrable

WUBR identity

Commander legal

The 4 combo pieces

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 Bard.
  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