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

Prerequisites

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Steps

1. 1Activate Altar of Dementia by sacrificing Triumph of Saint Katherine.
2. 2Triumph of Saint Katherine dies, triggering itself and Atla Palani.
3. 3Resolve 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. 4Resolve 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. 5Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power.
6. 6Activate Altar of Dementia by sacrificing that creature.
7. 7Repeat from step 4 until Triumph of Saint Katherine is on the battlefield again.
8. 8Repeat from step 1.

Effects

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