Lingering Tormentor + Thran Vigil + Umbral Collar Zealot

B identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Umbral Collar Zealot by sacrificing Lingering Tormentor.
  2. When Lingering Tormentor dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Thran Vigil triggers, putting a +1/+1 counter on Lingering Tormentor.
  4. Resolve the Umbral Collar Zealot ability.
  5. Repeat.

What the combo produces