Rakdos, the Muscle + Shambling Ghast + Haunted Crossroads + Birgi, God of Storytelling // Harnfel, Horn of Bounty + Spawning Pit

Rakdos, the Muscle

Shambling Ghast

Haunted Crossroads

Birgi, God of Storytelling // Harnfel, Horn of Bounty

Spawning Pit

How it works

1. Activate Spawning Pit by sacrificing Shambling Ghast.
2. When Shambling Ghast dies, it and Rakdos trigger.
3. Resolve the Shambling Ghast trigger, creating a Treasure token.
4. Activate the Treasure by tapping and sacrificing it, adding .
5. Holding priority, activate Haunted Crossroads by paying , putting Shambling Ghast from your graveyard onto the top of your library.
6. Resolve the Rakdos trigger, exiling Shambling Ghast from the top of your library with the ability to cast it until your next turn.
7. Resolve the Spawning Pit ability
8. Cast Shambling Ghast from exile by paying 1.
9. Birgi triggers, adding .
10. Repeat.