Perigee Beckoner + Grimgrin, Corpse-Born + Metamorphosis Fanatic

Perigee Beckoner

Grimgrin, Corpse-Born

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 Grimgrin by sacrificing Perigee Beckoner.
4. Activate Grimgrin 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 Grimgrin ability from step 4.
9. Repeat from step 3.