2 Abyssal Horror
1 Arvinox, the Mind Flail
1 Brainstealer Dragon
3 Breach the Multiverse
4 Consuming Aberration
1 Cosmic Horror
1 Curse of Unbinding
5 Dark Hatchling
1 Dauthi Horror
1 Debtors' Knell
3 Demogorgon's Clutches
10 Despoiler of Souls
14 Dinrova Horror
4 Douser of Lights
2 Dread Slaver
1 Dredge the Mire
3 Dusk Mangler
2 Elder Brain
28 Eldrazi Horror
1 Endless Evil
3 Enslave
3 Extract from Darkness
2 Faceless Devourer
5 First-Sphere Gargantua
2 Frightcrawler
2 From the Catacombs
1 Geralf's Mindcrusher
4 Gloom Sower
1 Grafted Identity
1 Grave Upheaval
2 Graven Abomination
1 Grazilaxx, Illithid Scholar
2 Guiltfeeder
49 Horror
21 Horror // Zombie
6 Infectious Horror
1 Intellect Devourer
1 Laquatus's Champion
7 Lashweed Lurker
8 Mage Hunter
2 Mesmeric Fiend
2 Mind Flayer
2 Mindslicer
1 Mindwrack Liege
2 Minion's Return
2 Morkrut Necropod
1 Necroplasm
1 Necrotic Ooze
4 Netherborn Phalanx
4 Nighthowler
1 Nihilith
1 Nihiloor
1 Obosh, the Preypiercer
1 Patchwork Crawler
1 Persuasion
8 Phyrexian Rager
1 Psionic Ritual
2 Ravenous Chupacabra
5 Screaming Swarm
2 Sewer Nemesis
4 Shambling Remains
10 Sinuous Vermin
2 Sludge Monster
7 Slum Reaper
1 Solphim, Mayhem Dominus
5 Squirming Mass
1 Uchuulon
1 Umbris, Fear Manifest
1 Vecna
3 Visions of Dread
1 Void Maw
1 Wharf Infiltrator
1 Yarok, the Desecrated
1 Yawgmoth's Vile Offering
1 Zellix, Sanity Flayer
Sideboard:
1 Armageddon Clock
1 Dungeon of the Mad Mage
1 Lost Mine of Phandelver
1 Mind Flayer, the Shadow
1 Tomb of Annihilation