Squee, the Immortal, Sifter of Skulls, Pitiless Plunderer, and Carrion Feeder

Prerequisites

• Squee, the Immortal on the battlefield
• Sifter of Skulls on the battlefield
• Pitiless Plunderer on the battlefield
• Carrion Feeder on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing Squee
2. When Squee dies, Sifter of Skulls and Pitiless Plunderer trigger, creating a 1/1 Eldrazi Scion creature token and a Treasure token
3. Resolve the Carrion Feeder ability
4. Activate the Eldrazi Scion by sacrificing it, adding
5. When the Eldrazi Scion dies, Pitiless Plunderer triggers, creating a Treasure token
6. Activate two Treasures by tapping and sacrificing them, adding
7. Cast Squee from your graveyard by paying
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on Carrion Feeder