Verdant Succession, Arashin Sovereign, and Altar of Dementia

Prerequisites

• Verdant Succession on the battlefield
• Arashin Sovereign on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Arashin Sovereign
2. Arashin Sovereign dies, triggering itself and Verdant Succession
3. Resolve the Arashin Sovereign trigger, putting it on top of your library
4. Resolve the Verdant Succession trigger, searching your library for Arashin Sovereign, putting it onto the battlefield and shuffling your library
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Arashin Sovereign's power
6. Repeat

Results

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