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Thief of Sanity
Creature — Specter
rare
Flying Whenever this creature deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.
2/2
Card Kingdom
CardmarketSemantic Tags
Punishes or prevents opponents from drawing extra cards.
Difficult to block or grants evasion. Includes flying, menace, fear, intimidate, shadow, skulk, horsemanship, unblockable effects, and cards that grant these abilities.
Difficult to block or grants evasion. Includes flying, menace, fear, intimidate, shadow, skulk, horsemanship, unblockable effects, and cards that grant these abilities.
A keyword ability that restricts how a creature may be blocked. See rule 702.9, “Flying.”
Exiles cards from graveyards or prevents graveyard interaction. Shuts down recursion, flashback, and graveyard-matters strategies.
Exile-based card advantage — exile cards from the top of your library and cast them temporarily. Red's primary draw mechanic.
Helps produce colors you need. Includes multicolor lands, color filtering, and 'any color' mana sources.
A card or token on the battlefield. See rule 110, “Permanents.”
Cares about power of creatures — Fling effects, power-based draw, Xenagos strategies.
Tax or prevent spellcasting — Rule of Law, Thalia, Sphere of Resistance.
Cares about or manipulates the top card(s) of your library. Includes scry, surveil, and top-deck payoffs.
Cares about or manipulates the top of library — Sensei's Top, miracles, Future Sight.
Format Legality
Price history
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Printings (6)
| Set | Rarity | TCGplayer | Card Kingdom | Cardmarket |
|---|---|---|---|---|
| Outlaws of Thunder Junction Commander#243 | rare | · | · | · |
| Ravnica: Clue Edition#212 | rare | · | · | · |
| New Capenna Commander#354 | rare | · | · | · |
| Guilds of Ravnica Promos#205p | rare | · | · | · |
| Guilds of Ravnica Promos#205s | rare | · | · | · |
| Guilds of Ravnica#205 | rare | · | · | · |
Related Concepts
Related Rules
If an ability would produce one or more mana of an undefined type, it produces no mana instead.
Some abilities produce mana based on the type of mana another permanent or permanents “could produce.” The type of mana a permanent could produce at any time includes any type of mana that an ability of that permanent would produce if the ability were to resolve at that time, taking into account any applicable replacement effects in any possible order. Ignore whether any costs of the ability could or could not be paid. If that permanent wouldn’t produce any mana under these conditions, or no type of mana can be defined this way, there’s no type of mana it could produce.
To “tap [a permanent] for mana” is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, “Mana Abilities.”
An ability that triggers whenever a permanent “is tapped for mana” or is tapped for mana of a specified type triggers whenever such a mana ability resolves and produces mana or the specified type of mana.
A replacement effect that applies if a permanent “is tapped for mana” or tapped for mana of a specific type and/or amount modifies the mana production event while such an ability is resolving and producing mana or the specified type and/or amount of mana.
If an object’s enters-the-battlefield triggered ability or replacement effect refers to X, and the spell that became that object as it resolved had a value of X chosen for any of its costs, the value of X for that ability is the same as the value of X for that spell, although the value of X for that permanent is 0. This is an exception to rule 107.3i.
The tap symbol is {T}. The tap symbol in an activation cost means “Tap this permanent.” A permanent that’s already tapped can’t be tapped again to pay the cost. A creature’s activated ability with the tap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
The untap symbol is {Q}. The untap symbol in an activation cost means “Untap this permanent.” A permanent that’s already untapped can’t be untapped again to pay the cost. A creature’s activated ability with the untap symbol in its activation cost can’t be activated unless the creature has been under its controller’s control continuously since their most recent turn began. See rule 302.6.
Rulings
Casting an exiled card causes it to leave exile. You can't cast it multiple times.
You can still cast the exiled card if Thief of Sanity leaves the battlefield or leaves your control. If another player gains control of Thief of Sanity, that player can't cast the exiled card.
An effect that instructs you to "cast" a card doesn't allow you to play lands.
Thief of Sanity's effect doesn't change when you can cast the exiled card. For example, if you exile a sorcery card, you can cast it only during your main phase when the stack is empty.
In a multiplayer game, if a player leaves the game, all cards that player owns leave as well. If you leave the game, any spells or permanents you control from Thief of Sanity's effect are exiled, and any of the face-down exiled cards remain face down indefinitely. No player may look at them.