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17 May 2024: Card library updated.

Xanathar, Guild Kingpin

4UB · Legendary Creature — Beholder

At the beginning of your upkeep, choose target opponent. Until end of turn, that player can't cast spells, you may look at the top card of their library any time, you may play the top card of their library, and you may spend mana as though it were mana of any color to cast spells this way. 5/6

Similar cards

Color identity:
NameManaTypeText
Mystic Barrier 4WEnchantment When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right. Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.
Quarry Colossus 5WWCreature — Giant When Quarry Colossus enters the battlefield, put target creature into its owner's library just beneath the top X cards of that library, where X is the number of Plains you control. 5/6
Fevered Suspicion 6BRSorcery Each opponent exiles cards from the top of their library until they exile a nonland card. You may cast any number of spells from among those nonland cards without paying their mana costs. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
Bomat Courier 1Artifact Creature — Construct Haste Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.) {R}, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands. 1/1
Reinterpret 2URInstant Counter target spell. You may cast a spell with an equal or lesser mana value from your hand without paying its mana cost.
Rhystic Cave Land {T}: Choose a color. Add one mana of that color unless any player pays {1}. Activate only as an instant.
Bruna, the Fading Light 5WWLegendary Creature — Angel Horror When you cast this spell, you may return target Angel or Human creature card from your graveyard to the battlefield. Flying, vigilance (Melds with Gisela, the Broken Blade.) 5/7
Haunted Crossroads 2BEnchantment {B}: Put target creature card from your graveyard on top of your library.
Mystic Remora UEnchantment Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.
Ogre Recluse 3RCreature — Ogre Warrior Whenever a player casts a spell, tap Ogre Recluse. 5/4
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