Good-Fortune Unicorn + Yahenni, Undying Partisan

WBG identity

Commander legal

The 2 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing the persist creature.
  2. When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. When the persist creature enters, Good-Fortune Unicorn triggers, putting a +1/+1 counter on the persist creature.
  4. Resolve the Yahenni ability.
  5. Repeat

What the combo produces