Harvester of Souls + Olivia, Mobilized for War + Umbral Collar Zealot

BR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Umbral Collar Zealot by sacrificing the persist creature.
  2. When the persist creature dies, it and Harvester of Souls trigger.
  3. Resolve the Harvester of Souls trigger, causing you to draw a card.
  4. Resolve the persist creature's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  5. When the persist creature enters the battlefield, Olivia triggers, putting a +1/+1 counter on the persist creature and causing you to discard a card.
  6. Resolve the Umbral Collar Zealot ability.
  7. Repeat.

What the combo produces