Altar of Dementia + Bloodied Ghost + Mikaeus, the Unhallowed

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Altar of Dementia by sacrifiicing Bloodied Ghost.
  2. When Bloodied Ghost dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it. When it enters, Bloodied Ghost will put a -1/-1 counter on itself, removing the +1/+1 counter.
  3. Resolve the Altar of Dementia ability.
  4. Repeat.

What the combo produces