Core Set 2020 Theme Booster Black has variants:
Explore this pack in Sealed.

Sheets

Sheet uncommon (duplicates allowed)

At rate 2/29 (6.9%)
Blightbeetle
Blood for Bones
Bloodsoaked Altar
Bloodthirsty Aerialist
Disfigure
Gravedigger
Gruesome Scourger
Noxious Grasp
Thought Distortion
Vampire of the Dire Moon
Vengeful Warchief
Yarok's Fenlurker
At rate 1/58 (1.72%)
Colossus Hammer
Cryptic Caves
Diamond Knight
Diviner's Lockbox
Manifold Key
Meteor Golem
Pattern Matcher
Retributive Wand
Salvager of Ruin
Scuttlemutt

Sheet common (duplicates allowed)

At rate 4/83 (4.82%)
Agonizing Syphon
Audacious Thief
Barony Vampire
Bladebrand
Blood Burglar
Bone Splinters
Boneclad Necromancer
Duress
Epicure of Blood
Fathom Fleet Cutthroat
Feral Abomination
Gorging Vulture
Mind Rot
Murder
Sanitarium Skeleton
Sorcerer of the Fang
Soul Salvage
Undead Servant
Unholy Indenture
At rate 1/83 (1.2%)
Anvilwrought Raptor
Evolving Wilds
Heart-Piercer Bow
Marauder's Axe
Prismite
Stone Golem
Vial of Dragonfire

Sheet rare_mythic

At rate 4/43 (9.3%)
Dread Presence
Embodiment of Agonies
Knight of the Ebon Legion
Legion's End
Leyline of the Void
Rotting Regisaur
Scheming Symmetry
Vilis, Broker of Blood
At rate 2/43 (4.65%)
Cavalier of Night
Sorin, Imperious Bloodlord
At rate 1/43 (2.33%)
Bag of Holding
Field of the Dead
Grafdigger's Cage
Icon of Ancestry
Lotus Field
Mystic Forge
Steel Overseer