Efficient Construction + Junk Diver + Krark-Clan Ironworks + Myr Retriever

U identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Krark-Clan Ironworks by sacrificing Junk Diver, adding {C}{C}.
  2. When Junk Diver dies, it triggers, returning Myr Retriever from your graveyard to your hand.
  3. Cast Myr Retriever by paying {2}.
  4. Efficient Construction triggers, creating a 1/1 Thopter artifact creature token.
  5. Activate Krark-Clan Ironworks twice by sacrificing the Thopter and Myr Retriever, adding {C}{C}{C}{C}.
  6. When Myr Retriever dies, it triggers, returning Junk Diver from your graveyard to your hand.
  7. Cast Junk Diver by paying {3}.
  8. Efficient Construction triggers, creating a 1/1 Thopter artifact creature token.
  9. Repeat.

What the combo produces