Moritte of the Frost + Aerie Ouphes

Moritte of the Frost

Aerie Ouphes

How it works

1. Activate Moritte of the Frost by sacrificing it, targeting any creature with flying.
2. When Moritte dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. Choose to have Moritte of the Frost enter the battlefield as a copy of Aerie Ouphes with two +1/+1 counters on it.
4. Remove one +1/+1 counter and one -1/-1 counter on Moritte of the Frost as a state-based action.
5. Holding priority, repeat from step 1.
6. Resolve all Moritte abilities, dealing infinite damage to the targeted creature(s).

This clever loop turns Moritte of the Frost into a self-sustaining engine by having it enter as a copy of Aerie Ouphes. Because Moritte's own text gives it two extra +1/+1 counters when entering as a creature, and Aerie Ouphes provides the sacrifice outlet and persist ability, every iteration lets Moritte sacrifice itself, trigger persist to return with a -1/+1 counter, and immediately annihilate those counters through state-based actions. This endless cycle generates infinite sacrifices, leaves, and entries for whichever formats this combo is legal in.