Krark-Clan Grunt + Lesser Masticore + Mm'menon, Uthros Exile

UR identity

Commander legal

The 3 combo pieces

• Krark-Clan Grunt
• Lesser Masticore
• Mm'menon, Uthros Exile

How to execute it

1. Activate Krark-Clan Grunt 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 Krark-Clan Grunt ability.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinitely powerful creature until end of turn