Rattleblaze Scarecrow, Luminous Broodmoth, and Altar of Dementia

Prerequisites

• Rattleblaze Scarecrow on the battlefield
• Luminous Broodmoth on the battlefield
• Altar of Dementia on the battlefield
• You control a black creature

Steps

1. Sacrifice Rattleblaze Scarecrow to Altar of Dementia to mill target player equal to Rattleblaze Scarecrow's power
2. Return Rattleblaze Scarecrow to the battlefield with the persist trigger, giving it a -1/-1 counter
3. Sacrifice Rattleblaze Scarecrow to Altar of Dementia to mill target player equal to Rattleblaze Scarecrow's power
4. Return Rattleblaze Scarecrow to the battlefield with the Luminous Broodmoth trigger, giving it a flying counter
5. Repeat

Results

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