Long Feng, Grand Secretariat + Yahenni, Undying Partisan

BG identity

Commander legal

The 2 combo pieces

How to execute it

  1. Activate Yahenni by sacrificing a persist creature that doesn't have a -1/-1 counter on it.
  2. When the creature dies, its persist ability and Long Feng trigger.
  3. Resolve the Long Feng trigger, putting a +1/+1 counter on the other persist creature.
  4. Resolve the persist trigger, returning the creature from your graveyard to the battlefield with a -1/-1 counter on it.
  5. Resolve the Yahenni ability.
  6. Repeat.

What the combo produces