Genesis Chamber + Krark-Clan Ironworks + Metalwork Colossus + Mirrodin Besieged

Mana needed: {1} (at most)

U identity

Commander legal

The 4 combo pieces

What must be in place

You conrol noncreature artifacts with a total mana value of 10 or greater.
"Mirran" chosen with Mirrodin Besieged.

How to execute it

  1. Cast Metalwork Colossus by paying at most {1}.
  2. Mirrodin Besieged triggers, creating a 1/1 Myr artifact creature token.
  3. When Metalwork Colossus enters the battlefield, Genesis Chamber triggers, creating a 1/1 Myr artifact creature token.
  4. Activate Krark-Clan Ironworks by sacrificing Metalwork Colossus, adding {C}{C}.
  5. Activate Metalwork Colossus by sacrificing the two Myrs, returning it from your graveyard to your hand.
  6. Repeat.

What the combo produces