Radiant Solar + Sefris of the Hidden Ways + Faceless Butcher + Bloodboil Sorcerer

Radiant Solar

Sefris of the Hidden Ways

Faceless Butcher

Bloodboil Sorcerer

How it works

1. Cast Faceless Butcher by paying its mana cost.
2. When Faceless Butcher enters, it and Radiant Solar trigger.
3. Resolve the Faceless Butcher trigger, exiling Bloodboil Sorcerer.
4. Resolve the Radiant Solar trigger, venturing into the Oubliette room, causing you to discard a card and then sacrifice Faceless Butcher.
5. When Faceless Butcher dies, it triggers, returning Bloodboil Sorcerer from exile to the battlefield.
6. When Bloodboil Sorcerer enters, it and Radiant Solar trigger.
7. Resolve the Bloodboil Sorcerer trigger, venturing into the Cradle of the Death God room, creating a 4/4 legendary The Atropal creature token and completing Tomb of Annihilation.
8. If you control two or more The Atropal tokens, put all but one into your graveyard due to the legend rule.
9. Sefris' second ability triggers, returning Faceless Butcher from your graveyard to the battlefield.
10. When Faceless Butcher enters, it and Radiant Solar trigger.
11. Resolve the Faceless Butcher trigger, exiling Bloodboil Sorcerer.
12. Resolve the Radiant Solar trigger from step 10, venturing into Tomb of Annihilation and into the Trapped Entry room, causing each player to lose 1 life.
13. Resolve the Radiant Solar trigger from step 6, venturing into the Oubliette room, causing you to discard a card and then sacrifice Faceless Butcher.
14. Repeat from step 5.