Ashnod's Altar + Grumgully, the Generous
Produces: Infinite ETB, Infinite LTB, Infinite colorless mana, Infinite death triggers, Infinite sacrifice triggers
- Color identity
- RG
Steps
- Activate Ashnod's Altar by sacrificing the persist creature.
- When the persist creature dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Grumgully.
- Repeat.