Saffi Eriksdotter + Spawning Pit + Angel of Indemnity

Saffi Eriksdotter

Spawning Pit

Angel of Indemnity

How it works

1. Activate Saffi by sacrificing it, targeting Angel of Indemnity
2. Activate Spawning Pit by sacrificing Angel of Indemnity
3. When Angel of Indemnity dies, Saffi triggers, returning Angel of Indemnity from your graveyard to the battlefield.
4. When Angel of Indemnity enters, it triggers, returning Saffi from your graveyard to the battlefield.
5. Resolve the Spawning Pit ability.
6. Repeat.