Mono Black Sacrifice
A Standard deck, by James Spinelli
9th place at a tournament in Richmond, Virginia, United States on 2020-02-02

Maindeck:

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

Creatures
4 Cauldron Familiar (Not currently legal in Standard)
2 Deathless Knight (Not currently legal in Standard)
4 Gray Merchant of Asphodel (Not currently legal in Standard)
2 Gutterbones (Not currently legal in Standard)
4 Murderous Rider (Not currently legal in Standard)
4 Yarok's Fenlurker (Not currently legal in Standard)

Enchantment Creatures
4 Nightmare Shepherd (Not currently legal in Standard)

Legendary Artifacts
2 Bolas's Citadel (Not currently legal in Standard)

Legendary Creatures
4 Ayara, First of Locthwain (Not currently legal in Standard)

Legendary Enchantment Creatures
2 Tymaret, Chosen from Death (Not currently legal in Standard)

Basic Lands
20 Swamp

Lands
4 Castle Locthwain (Not currently legal in Standard)

Sideboard:
2 Drag to the Underworld (Not currently legal in Standard)
4 Noxious Grasp (Not currently legal in Standard)
3 Pharika's Libation (Not currently legal in Standard)
2 Tymaret, Chosen from Death (Not currently legal in Standard)
4 Duress