Perigee Beckoner + Umbral Collar Zealot + Metamorphosis Fanatic

Perigee Beckoner

Umbral Collar Zealot

Metamorphosis Fanatic

How it works

1. Cast Perigee Beckoner for its warp cost by paying 1.
2. When Perigee Beckoner enters, it triggers, targeting Metamorphosis Fanatic.
3. Activate Umbral Collar Zealot by sacrificing Perigee Beckoner.
4. Activate Umbral Collar Zealot by sacrificing Metamorphosis Fanatic.
5. When Metamorphosis Fanatic dies, it triggers, returning itself from your graveyard to the battlefield tapped.
6. When Metamorphosis Fanatic enters, it triggers, returning Perigee Beckoner from your graveyard to the battlefield.
7. When Perigee Beckoner enters, it triggers, targeting Metamorphosis Fanatic.
8. Resolve the Umbral Collar Zealot ability from step 4.
9. Repeat from step 3.

This intricate loop turns Perigee Beckoner and Metamorphosis Fanatic into an eternal cycle of revival, fueled entirely by their recursive interaction. When Perigee Beckoner enters, it grants Metamorphosis Fanatic a temporary "return to the battlefield upon death" clause, ensuring that sacrificing Metamorphosis Fanatic to Umbral Collar Zealot immediately brings it back—which in turn triggers Metamorphosis Fanatic's own enters-the-battlefield ability to resurrect Perigee Beckoner. By leveraging Umbral Collar Zealot as both the sacrifice outlet and a source of continuous surveil filtering, this engine effortlessly grinds through your entire library while generating infinite death triggers and enters-the-battlefield events.