Nightmare Shepherd

Enchantment Creature — Demon

Faceless Butcher

Creature — Nightmare Horror

Gravegouger

Creature — Nightmare Horror

Ashiok, Nightmare Muse

Legendary Planeswalker — Ashiok

Faceless Devourer

Creature — Nightmare Horror

Petravark

Creature — Nightmare Beast

Sheoldred's Assimilator

Creature — Phyrexian Horror

Ashiok, Nightmare Weaver

Legendary Planeswalker — Ashiok

Ardyn, the Usurper

Legendary Creature — Elder Human Noble

Young Necromancer

Creature — Human Warlock

Ritual of the Returned

Instant

Mesmeric Fiend

Creature — Nightmare Horror

Chainer, Dementia Master

Legendary Creature — Human Minion

Rakshasa Gravecaller

Creature — Demon

Extractor Demon

Creature — Demon

Despoiler of Souls

Creature — Horror

Umbris, Fear Manifest

Legendary Creature — Nightmare Horror

Callous Bloodmage

Creature — Vampire Warlock

Midnight Ritual

Sorcery

Nightmare Unmaking

Sorcery

Boneclad Necromancer

Creature — Human Wizard

Ashnod's Harvester

Artifact Creature — Construct

Rakshasa Debaser

Creature — Demon

Fiend Artisan

Creature — Nightmare

Delve too Deep

Sorcery

Eater of the Dead

Creature — Horror

Hour of Eternity

Sorcery

Reaper from the Abyss

Creature — Demon

Graven Abomination

Artifact Creature — Horror

Lorcan, Warlock Collector

Legendary Creature — Devil

Shelob, Dread Weaver

Legendary Creature — Spider Demon