Reassembling Skeleton, Altar of Dementia, Pitiless Plunderer, and Sifter of Skulls

Prerequisites

• Reassembling Skeleton on the battlefield
• Altar of Dementia on the battlefield
• Pitiless Plunderer on the battlefield
• Sifter of Skulls on the battlefield

Steps

1. Activate Altar of Dementia by sacrificing Reassembling Skeleton
2. When Reassembling Skeleton dies, Pitiless Plunderer and Sifter of Skulls trigger
3. Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token
4. Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Reassembling Skeleton's power
6. Activate the Treasure by tapping and sacrificing it, adding
7. Activate the Eldrazi Scion by sacrificing it, adding
8. Activate Reassembling Skeleton by paying , returning it to the battlefield from your graveyard
9. Repeat

Results

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