Rakdos Sacrifice
A Standard deck, by Cmoraclericus
0th place at a tournament on 2020-04-06

Maindeck:

Artifacts
4 Witch's Oven (Not currently legal in Standard)

Creatures
4 Cauldron Familiar (Not currently legal in Standard)
4 Dreadhorde Butcher (Not currently legal in Standard)
4 Gutterbones (Not currently legal in Standard)
4 Mayhem Devil (Not currently legal in Standard)
3 Midnight Reaper (Not currently legal in Standard)
4 Priest of Forgotten Gods (Not currently legal in Standard)
4 Woe Strider (Not currently legal in Standard)

Legendary Creatures
2 Rankle, Master of Pranks (Not currently legal in Standard)

Sorceries
3 Claim the Firstborn (Not currently legal in Standard)

Basic Lands
6 Mountain
8 Swamp

Lands
4 Blood Crypt (Not currently legal in Standard)
2 Castle Locthwain (Not currently legal in Standard)
4 Fabled Passage (Not currently legal in Standard)

Sideboard:
3 Embereth Shieldbreaker (Not currently legal in Standard)
3 Noxious Grasp (Not currently legal in Standard)
2 Scorching Dragonfire (Not currently legal in Standard)
2 Ashiok, Dream Render (Not currently legal in Standard)
4 Agonizing Remorse (Not currently legal in Standard)
1 Claim the Firstborn (Not currently legal in Standard)