Altar of Dementia + Grumgully, the Generous

RG identity

Commander legal

The 2 combo pieces

• Altar of Dementia
• Grumgully, the Generous

How to execute it

1. Activate Altar of Dementia by sacrificing the persist creature.
2. 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
3. Resolve the Altar of Dementia ability.
4. Repeat

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill