Grinding Station + Lesser Masticore + Mm'menon, Uthros Exile

UR identity

Commander legal

The 3 combo pieces

• Grinding Station
• Lesser Masticore
• Mm'menon, Uthros Exile

How to execute it

1. Activate Grinding Station by tapping it and 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, Grinding Station and Mm'menon trigger.
4. Resolve the Grinding Station trigger, untapping it.
5. Resolve the Mm'menon trigger, putting a +1/+1 counter on Lesser Masticore.
6. Resolve the Grinding Station ability from step 1.
7. Repeat.

What the combo produces

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