Rakdos, the Muscle + Shambling Ghast + Haunted Crossroads + Birgi, God of Storytelling // Harnfel, Horn of Bounty + Yahenni, Undying Partisan

Rakdos, the Muscle

Shambling Ghast

Haunted Crossroads

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

Yahenni, Undying Partisan

How it works

1. Activate Yahenni 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 Yahenni ability.
8. Cast Shambling Ghast from exile by paying 1.
9. Birgi triggers, adding .
10. Repeat.

This loop puts your graveyard to work as an unstoppable engine, centered around sacrificing Shambling Ghast to Yahenni, Undying Partisan to grant it indestructible while fueling your mana. Each time the Ghast dies, it drops a Treasure token to fund Haunted Crossroads, which smoothly recycles Shambling Ghast back to the top of your library. From there, Rakdos, the Muscle catches the sacrifice by exiling the Ghast into a castable zone, allowing Birgi, God of Storytelling // Harnfel, Horn of Bounty to effortlessly refund your mana as you replay the creature.