Junji, the Midnight Sky + Ashnod's Altar + Bastion of Remembrance + Metamorphosis Fanatic

Junji, the Midnight Sky

Ashnod's Altar

Bastion of Remembrance

Metamorphosis Fanatic

How it works

1. Activate Ashnod's Altar by sacrificing Metamorphosis Fanatic.
2. When Metamorphosis Fanatic dies, Bastion of Remembrance triggers, causing you to gain 1 life and each opponent to lose 1 life.
3. Activate Ashnod's Altar by sacrificing Junji.
4. When Junji dies, it and Bastion of Remembrance trigger.
5. Resolve the Bastion of Remembrance trigger, causing you to gain 1 life and each opponent to lose 1 life.
6. Resolve the Junji trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield and causing you to lose 2 life.
7. When Metamorphosis Fanatic enters, it triggers, returning Junji from your graveyard to the battlefield.
8. Repeat.