Embalmer's Tools, Bloodsoaked Champion, Pitiless Plunderer, and Altar of Dementia

Prerequisites

• Embalmer's Tools on the battlefield
• Bloodsoaked Champion on the battlefield
• Pitiless Plunderer on the battlefield
• Altar of Dementia on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Bloodsoaked Champion
2. Bloodsoaked Champion dies, triggering Pitiless Plunderer, creating a Treasure token
3. Resolve the Altar of Dementia's ability, causing target player to mill cards equal to Bloodsoaked Champion's power
4. Activate a Treasure token by tapping and sacrificing it, adding
5. Activate Bloodsoaked Champion by paying , returning it to the battlefield
6. Repeat

Results

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