Rakdos, the Muscle, Blood Pet, Haunted Crossroads, and Sifter of Skulls

Prerequisites

• Rakdos, the Muscle on the battlefield
• Blood Pet on the battlefield
• Haunted Crossroads on the battlefield
• Sifter of Skulls on the battlefield

Steps

1. Activate Blood Pet by sacrificing it, adding
2. When Blood Pet dies, Sifter of Skulls and Rakdos trigger
3. Resolve the Sifter of Skulls trigger, creating a 1/1 Eldrazi Scion creature token
4. Holding priority, activate Haunted Crossroads by paying , putting Blood Pet from your graveyard onto the top of your library
5. Resolve the Rakdos trigger, causing you to exile Blood Pet from the top of your library with the ability to play it until your next end step
6. Activate the Eldrazi Scion by sacrificing it, adding
7. Cast Blood Pet from exile by paying
8. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count