Thran Vigil + Twilight Shepherd + Umbral Collar Zealot

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Umbral Collar Zealot by sacrificing Twilight Shepherd.
  2. When Twilight Shepherd 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 Twilight Shepherd.
  4. Resolve the Umbral Collar Zealot ability.
  5. Repeat.

What the combo produces