Warehouse Tabby, Enchanted Evening, and Altar of Dementia

Prerequisites

• Warehouse Tabby on the battlefield
• Enchanted Evening on the battlefield
• Altar of Dementia on the battlefield
• You control at least one additional creature

Steps

1. Activate Altar of Dementia by sacrificing an additional creature
2. When the creature dies as an enchantment due to Enchanted Evening, Warehouse Tabby triggers, creating a 1/1 Rat creature token
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power
4. Repeat

Results

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