Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Extract Brain

XUB · Sorcery

Target opponent chooses X cards from their hand. Look at those cards. You may cast a spell from among them without paying its mana cost.

Similar cards

Color identity:
NameManaTypeText
Gandalf, Westward Voyager 3GULegendary Creature — Avatar Wizard Whenever you cast a spell with mana value 5 or greater, each opponent reveals the top card of their library. If any of those cards shares a card type with that spell, copy that spell, you may choose new targets for the copy, and each opponent draws a card. Otherwise, you draw a card. (A copy of a permanent spell becomes a token.) 5/5
Wooden Sphere 1Artifact Whenever a player casts a green spell, you may pay {1}. If you do, you gain 1 life.
The Fifteenth Doctor 2URLegendary Creature — Time Lord Doctor When The Fifteenth Doctor enters the battlefield or attacks, mill three cards. You may put an artifact card with mana value 2 or 3 from among them into your hand. The first nonartifact spell you cast each turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) 3/3
Graven Archfiend 3BBArtifact Creature — Gargoyle Demon As an additional cost to cast this spell, you may sacrifice a non-Demon creature. Flying When Graven Archfiend enters the battlefield, if its additional cost was paid, conjure a card named Demonic Pact onto the battlefield. 4/5
Lingering Phantom 5BCreature — Spirit Whenever you cast a historic spell, you may pay {B}. If you do, return Lingering Phantom from your graveyard to your hand. (Artifacts, legendaries, and Sagas are historic.) 5/4
Urza's Chalice 1Artifact Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.
Warzone Duplicator 6Artifact Creature — Construct Prototype {3}{U} — 3/3 When Warzone Duplicator enters the battlefield, return target creature an opponent controls with power less than Warzone Duplicator's power to its owner's hand. If that creature wasn't a token, conjure a duplicate of it into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 6/6
Light Up the Night XRSorcery Light Up the Night deals X damage to any target. It deals X plus 1 damage instead if that target is a creature or planeswalker. Flashback—{3}{R}, Remove X loyalty counters from among planeswalkers you control. If you cast this spell this way, X can't be 0. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Leyline Tyrant 2RRCreature — Dragon Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target. 4/4
Dregs of Sorrow X4BSorcery Destroy X target nonblack creatures. Draw X cards.
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