Perigee Beckoner + Altar of Dementia + Metamorphosis Fanatic

Perigee Beckoner

Altar of Dementia

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 Altar of Dementia by sacrificing Perigee Beckoner.
4. Activate Altar of Dementia 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 Altar of Dementia ability from step 4.
9. Repeat from step 3.

This clever loop relies on a recursive exchange between Perigee Beckoner and Metamorphosis Fanatic, fueled entirely by the sacrifice outlet Altar of Dementia. When you warp Perigee Beckoner into play, its enters-the-battlefield ability grants another creature the ability to return upon death, setting up Metamorphosis Fanatic to resurrect itself and your Beckoner in an endless cycle. As Altar of Dementia repeatedly sacrifices both creatures, the sheer volume of their deaths and returns translates directly into an infinite mill stream to overwhelm your opponents.