Elder Brain

Creature — Horror

Yarok's Fenlurker

Creature — Horror

Mesmeric Fiend

Creature — Nightmare Horror

Kheru Mind-Eater

Creature — Vampire

Devour Intellect

Sorcery

Brainstealer Dragon

Creature — Dragon Horror

Brain Maggot

Enchantment Creature — Insect

Thought-String Analyst

Creature — Human Wizard

Reap Intellect

Sorcery

Taster of Wares

Creature — Goblin Warlock

Tidehollow Sculler

Artifact Creature — Zombie

Mindleech Ghoul

Creature — Zombie

Hypnox

Creature — Nightmare Horror

Eater of the Dead

Creature — Horror

Skullcap Snail

Creature — Fungus Snail

Appetite for Brains

Sorcery

Mind Extraction

Sorcery

Thief of Existence

Creature — Eldrazi

Thought-Knot Seer

Creature — Eldrazi

Fathom Feeder

Creature — Eldrazi Drone

Umbris, Fear Manifest

Legendary Creature — Nightmare Horror

Eaten Alive

Sorcery

Bismuth Mindrender

Creature — Eldrazi

Kyoki, Sanity's Eclipse

Legendary Creature — Demon Spirit

Vessel of Malignity

Enchantment

Thief of Sanity

Creature — Specter

Gix, Yawgmoth Praetor

Legendary Creature — Phyrexian Praetor

Exile into Darkness

Sorcery

Arvinox, the Mind Flail

Legendary Enchantment Creature — Horror

Zombie Cannibal

Creature — Zombie

Hostage Taker

Creature — Human Pirate