Rakdos, the Muscle + Priest of Gix + Haunted Crossroads + Viscera Seer + Pawn of Ulamog

Rakdos, the Muscle

Priest of Gix

Haunted Crossroads

Viscera Seer

Pawn of Ulamog

How it works

1. Activate Viscera Seer by sacrificing Priest of Gix.
2. When Priest of Gix dies, Pawn of Ulamog and Rakdos trigger.
3. Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token.
4. Holding priority, activate Haunted Crossroads by paying , putting Priest of Gix from your graveyard onto the top of your library.
5. Resolve the Rakdos trigger, causing you to exile the top three cards of your library with the ability to play them until your next end step.
6. Resolve the Viscera Seer ability from step 1, causing you to scry 1.
7. Activate the Eldrazi Spawn by sacrificing it, adding C.
8. Cast Priest of Gix from exile by paying 3.
9. When Priest of Gix enters the battlefield, it triggers, adding .
10. Repeat.

This intricate loop turns the black mana from Priest of Gix into an engine of continuous sacrifice and recursive casting. Viscera Seer provides the essential free sacrifice outlet, while Pawn of Ulamog replaces your fallen creatures with Eldrazi Spawn tokens to help fund the costs. Haunted Crossroads allows you to manipulate your library to loop the Priest effortlessly, and as a brilliant bonus, Rakdos, the Muscle capitalizes on every single sacrifice by chewing through your opponents' libraries and letting you play their stolen cards.