Altar of Dementia + Mikaeus, the Unhallowed + Soulstinger

B identity

Commander legal

The 3 combo pieces

How to execute it

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

What the combo produces