Metamorphosis Fanatic + Prowling Geistcatcher + Blasting Station Combo

Metamorphosis Fanatic in exile (Metamorphosis Fanatic exiled by Prowling Geistcatcher in exile).

Prowling Geistcatcher and Blasting Station on the battlefield.

Activate Blasting Station by tapping it and sacrificing Prowling Geistcatcher.

When Prowling Geistcatcher dies, its second ability triggers, returning Metamorphosis Fanatic from exile to the battlefield.

When Metamorphosis Fanatic enters the battlefield, it and Blasting Station trigger,

Resolve the Blasting Station trigger, untapping it.

Resolve the Metamorphosis Fanatic trigger, returning Prowling Geistcatcher from your graveyard to the battlefield.

When Prowling Geistcatcher enters the battlefield, Blasting Station triggers.

Holding priority, activate Blasting Station by tapping it and sacrificing Metamorphosis Fanatic.

When Metamorphosis Fanatic dies, Prowling Geistcatcher's first ability triggers, exiling Metamorphosis Fanatic from your graveyard.

Resolve the Blasting Station ability from step 7.

Resolve the Blasting Station trigger from step 6, untapping it.

Resolve the Blasting Station ability from step 1.

Repeat from step 1.

Infinite creature LTB

Infinite creature ETB

Infinite creature sacrifice triggers

Infinite death triggers

Infinite damage