Altar of Dementia + Atla Palani, Nest Tender + Maskwood Nexus + Triumph of Saint Katherine

RGW identity

Commander legal

The 4 combo pieces

• Altar of Dementia
• Atla Palani, Nest Tender
• Maskwood Nexus
• Triumph of Saint Katherine

How to execute it

1. Activate Altar of Dementia by sacrificing Triumph of Saint Katherine.
2. Triumph of Saint Katherine dies, triggering itself and Atla Palani.
3. Resolve the Triumph of Saint Katherine trigger, exiling it and the top six cards of your library into a face-down pile, then shuffling that pile and putting it on top of your library.
4. Resolve the Atla Palani trigger, revealing cards from the top of your library until you reveal a creature card and putting that card onto the battlefield.
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power.
6. Activate Altar of Dementia by sacrificing that creature.
7. Repeat from step 4 until Triumph of Saint Katherine is on the battlefield again.
8. Repeat from step 1.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite mill
• Infinite sacrifice triggers
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite mill
• Near-infinite self-mill
• Put all creature cards in your library onto the battlefield, then into your graveyard