Rakdos, the Muscle | Blood Pet | Haunted Crossroads

(and one other card)

Activate
Blood Pet by sacrificing it, adding ({B} magic symbol) .
When
Blood Pet dies,
Skittering Precursor and
Rakdos trigger.
Resolve the
Skittering Precursor trigger, creating a 0/1 Eldrazi Spawn creature token.
Holding priority, activate
Haunted Crossroads by paying ({B} magic symbol) , putting
Blood Pet from your graveyard onto the top of your library.
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.
Activate the Eldrazi Spawn by sacrificing it, adding ({C} magic symbol) .
Cast
Blood Pet from exile by paying ({1} magic symbol) .
Repeat.