Vizier of Remedies, Wingrattle Scarecrow, and Altar of Dementia

Prerequisites

• Vizier of Remedies on the battlefield
• Wingrattle Scarecrow on the battlefield
• Altar of Dementia on the battlefield
• You control a black creature

Steps

1. Activate Altar of Dementia by sacrificing Wingrattle Scarecrow
2. Wingrattle Scarecrow's persist ability triggers, returning it from your graveyard to the battlefield with zero -1/-1 counters due to Vizier of Remedies
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Wingrattle Scarecrow's power
4. Repeat

Results

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