Mm'menon, Uthros Exile, Lesser Masticore, and Blasting Station

Prerequisites

• Mm'menon, Uthros Exile on the battlefield
• Lesser Masticore on the battlefield
• Blasting Station on the battlefield

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage