Junji, the Midnight Sky + Viscera Seer + Vengeful Bloodwitch + Metamorphosis Fanatic

Junji, the Midnight Sky

Viscera Seer

Vengeful Bloodwitch

Metamorphosis Fanatic

How it works

1. Activate Viscera Seer by sacrificing Metamorphosis Fanatic.
2. When Metamorphosis Fanatic dies, Vengeful Bloodwitch triggers, causing you to gain 1 life and target opponent to lose 1 life.
3. Resolve the Viscera Seer ability.
4. Activate Viscera Seer by sacrificing Junji.
5. When Junji dies, it and Vengeful Bloodwitch trigger.
6. Resolve the Vengeful Bloodwitch trigger, causing you to gain 1 life and target opponent to lose 1 life.
7. Resolve the Junji trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield and causing you to lose 2 life.
8. When Metamorphosis Fanatic enters, it triggers, returning Junji from your graveyard to the battlefield.
9. Resolve the Viscera Seer ability.
10. Repeat.