Verdant Succession, Kozilek, Butcher of Truth, Altar of Dementia, and Painter's Servant

Prerequisites

• Verdant Succession on the battlefield
• Kozilek, Butcher of Truth on the battlefield
• Altar of Dementia on the battlefield
• Painter's Servant on the battlefield
• "Samurai" chosen with Arcane Adaptation
• Oathkeeper attached to Filigree Familiar

Steps

1. Activate Altar of Dementia by sacrificing Kozilek
2. Kozilek and Verdant Succession trigger
3. Resolve the Kozilek trigger, shuffling your graveyard into your library
4. Resolve the Verdant Succession trigger, searching your library for Kozilek, 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 Kozilek's power
6. Repeat

Results

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