Altar of Dementia + Encroaching Mycosynth + Summoning Station

U identity

Commander legal

The 3 combo pieces

• Altar of Dementia
• Encroaching Mycosynth
• Summoning Station

How to execute it

1. Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token.
2. Activate Altar of Dementia by sacrificing the Pincher.
3. The Pincher dies, triggering Summoning Station, untapping itself.
4. Resolve the Altar of Dementia trigger, causing target player to mill cards equal to the Pincher's power.
5. Repeat.

What the combo produces

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