Astral Cornucopia + Graveshifter + Hashaton, Scarab's Fist + Mind Over Matter

WUB identity

Commander legal

The 4 combo pieces

How to execute it

  1. Activate Astral Cornucopia by tapping it, adding at least {U}{U}{U}.
  2. Activate Mind Over Matter by discarding Graveshifter.
  3. Hashaton triggers, causing you to pay {2}{U} to create a tapped token copy of Graveshifter that is a 4/4 Zombie.
  4. When the Graveshifter token enters the battlefield, it triggers, returning Graveshifter from your graveyard to your hand.
  5. Resolve the Mind Over Matter ability, untapping Astral Cornucopia.
  6. Repeat.

What the combo produces