Remembrance + Deathrender + Arashin Sovereign + Altar of Dementia

Prerequisites

• All permanents on the battlefield.
• Deathrender attached to Arashin Sovereign.

Steps

1. 1Activate Altar of Dementia by sacrificing Arashin Sovereign.
2. 2When Arashin Sovereign dies, it, Deathrender and Remembrance trigger.
3. 3Resolve the Arashin Sovereign trigger, causing you to put it on top of your library from your graveyard.
4. 4Resolve the Remembrance trigger, causing you to search your library for Arashin Sovereign and put it into your hand.
5. 5Resolve the Deathrender trigger, putting Arashin Sovereign from your hand onto the battlefield, and attaching Deathrender to it.
6. 6Resolve the Altar of Dementia ability, causing target player to mill cards equal to Arashin Sovereign's power.
7. 7Repeat.

Effects

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