Clock of Omens + Krark-Clan Ironworks + Mechtitan Core + and 2 others

Mana needed: {7}

C identity

Commander legal

The 5 combo pieces

What must be in place

You control at least three other nontoken artifact creatures and/or nontoken Vehicles.

How to execute it

  1. Activate Prototype Portal by paying {2} and tapping it, creating a token copy of Mechtitan Core.
  2. Activate the Mechtitan Core token by paying {5} and exiling it, Myr Battlesphere, and any three other nontoken artifact creatures and/or nontoken Vehicles, creating a 10/10 Mechtitan creature token.
  3. Activate Krark-Clan Ironworks by sacrificing the Mechtitan token, adding {C}{C}.
  4. The Mechtitan core token triggers, returning all other cards exiled by it to the battlefield tapped.
  5. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  6. Activate Clock of Omens by tapping two Myr tokens, untapping Prototype Portal.
  7. Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  8. Repeat.

What the combo produces