Dromar's Cavern + Haru, Hidden Talent + Retreat to Emeria

GWUB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Play Dromar's Cavern.
  2. When Dromar's Cavern enters, it and Retreat to Emeria trigger.
  3. Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token.
  4. When the Kor Ally enters, Haru triggers, earthbending Dromar's Cavern.
  5. Resolve the Dromar's Cavern trigger from step 2, causing you to sacrifice it
  6. Haru triggers, returning Dromar's Cavern from your graveyard to the battlefield.
  7. Repeat from step 2.

What the combo produces