Metamorphosis Fanatic + Prowling Geistcatcher + Viscera Seer

Metamorphosis Fanatic

Prowling Geistcatcher

Viscera Seer

How it works

1. Activate Viscera Seer by sacrificing Metamorphosis Fanatic.
2. When Metamorphosis Fanatic dies, Prowling Geistcatcher's first ability triggers, exiling Metamorphosis Fanatic from your graveyard.
3. Resolve the Viscera Seer ability.
4. Activate Viscera Seer by sacrificing Prowling Geistcatcher.
5. When Prowling Geistcatcher dies, its second ability triggers, returning Metamorphosis Fanatic from exile to the battlefield.
6. When Metamorphosis Fanatic enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield.
7. Resolve the Viscera Seer ability.
8. Repeat.