Lesser Masticore + Mm'menon, Uthros Exile + Phyrexian Altar

UR identity

Commander legal

The 3 combo pieces

• Lesser Masticore
• Mm'menon, Uthros Exile
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar 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. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers