Dross Scorpion + 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 token dies, triggering Dross Scorpion and Mechtitan Core.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Resolve the Mechtitan Core token trigger, returning all other cards exiled by it to the battlefield tapped.
  7. Myr Battlesphere enters the battlefield, creating four 1/1 Myr artifact creature tokens.
  8. Activate Krark-Clan Ironworks three times by sacrificing three Myr tokens, adding {C}{C}{C}{C}{C}{C}.
  9. Dross Scorpion triggers three times, allowing you to untap up to three artifacts you control.
  10. Repeat.

What the combo produces