Altar of Dementia + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Marionette Apprentice

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Altar of Dementia by sacrificing Marionette Apprentice.
  2. When Marionette Apprentice dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. When Marionette Apprentice enters, its fabricate ability triggers, putting a +1/+1 counter on it.
  4. Resolve the Altar of Dementia ability.
  5. Repeat.

What the combo produces