Verdant Succession, Guan Yu, Sainted Warrior, Altar of Dementia, and Painter's Servant

Prerequisites

• Verdant Succession on the battlefield
• Guan Yu, Sainted Warrior on the battlefield
• Altar of Dementia on the battlefield
• Painter's Servant on the battlefield
• "Green" chosen with Painter's Servant

Steps

1. Activate Altar of Dementia by sacrificing Guan Yu
2. Guan Yu and Verdant Succession trigger
3. Resolve the Guan Yu trigger, shuffling it into your library
4. Resolve the Verdant Succession trigger, searching your library for Guan Yu, putting it onto the battlefield and shuffling your library
5. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Guan Yu's power
6. Repeat

Results

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