Glen Elendra Guardian + Mikaeus, the Unhallowed + Umbral Collar Zealot

UB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Umbral Collar Zealot by sacrificing Glen Elendra Guardian.
  2. When Glen Elendra Guardian dies, its undying ability triggers, returning it from your graveyard to the battlefield without a +1/+1 counter on it due to its replacement effect.
  3. Resolve the Umbral Collar Zealot ability
  4. Repeat.

What the combo produces