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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
Checks and Balances 2UEnchantment Cast this spell only if there are three or more players in the game. Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.
Sensei's Divining Top 1Artifact {1}: Look at the top three cards of your library, then put them back in any order. {T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
Lumbering Laundry 5Artifact Creature — Golem {2}: Until end of turn, you may look at face-down creatures you don't control any time. Disguise {5} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) 4/5
Living Breakthrough Enchantment Creature — Moonfolk Flying Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn. 3/3
Aid from the Cowl 3GGEnchantment Revolt — At the beginning of your end step, if a permanent you controlled left the battlefield this turn, reveal the top card of your library. If it's a permanent card, you may put it onto the battlefield. Otherwise, you may put it on the bottom of your library.
Panglacial Wurm 5GGCreature — Wurm Trample While you're searching your library, you may cast Panglacial Wurm from your library. 9/5
Orb of Dragonkind 1RArtifact {1}, {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons. {R}, {T}, Sacrifice Orb of Dragonkind: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Uba Mask 4Artifact If a player would draw a card, that player exiles that card face up instead. Each player may play lands and cast spells from among cards they exiled with Uba Mask this turn.
Perception Bobblehead 3Artifact — Bobblehead {T}: Add one mana of any color. {3}, {T}: Look at the top X cards of your library, where X is the number of Bobbleheads you control. You may cast a spell with mana value 3 or less from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
Farsight Ritual 2UUInstant Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Look at the top four cards of your library. If this spell was bargained, look at the top eight cards of your library instead. Put two of them into your hand and the rest on the bottom of your library in a random order.
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