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

Rakdos, the Muscle

Blood Pet

Haunted Crossroads

Sifter of Skulls

How it works

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 C.
7. Cast Blood Pet from exile by paying 1.
8. Repeat.