Saffi Eriksdotter + Spawning Pit + Renegade Rallier

Saffi Eriksdotter

Spawning Pit

Renegade Rallier

How it works

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