Ashnod's Altar + Myr Retriever + Sai, Master Thopterist + Scrap Trawler

U identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Ashnod's Altar by sacrificing Scrap Trawler, adding {C}{C}.
  2. When Scrap Trawler dies, it triggers, returning Myr Retriever from your graveyard to your hand.
  3. Cast Myr Retriever by paying {2}.
  4. Sai triggers, creating a 1/1 Thopter artifact creature token.
  5. Activate Ashnod's Altar twice by sacrificing the Thopter and Myr Retriever, adding {C}{C}{C}{C}.
  6. When Myr Retriever dies, it triggers, returning Scrap Trawler from your graveyard to your hand.
  7. Cast Scrap Trawler by paying {3}.
  8. Sai triggers, creating a 1/1 Thopter artifact creature token.
  9. Repeat.

What the combo produces