Altar of Dementia + Lesser Masticore + Mm'menon, Uthros Exile

UR identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Lesser Masticore
• Mm'menon, Uthros Exile

How to execute it

1. Activate Altar of Dementia by sacrificing Lesser Masticore.
2. When Lesser Masticore dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Lesser Masticore enters, Mm'menon triggers, putting a +1/+1 counter on Lesser Masticore.
4. Resolve the Altar of Dementia ability.
5. Repeat.

What the combo produces

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