Chaos Spewer + Mikaeus, the Unhallowed + Umbral Collar Zealot

BR identity

Commander legal

The 3 combo pieces

How to execute it

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

What the combo produces