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When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)
Abilities, attacks, weakness & resistance
Other cards from Theros Beyond Death
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Thassa's Oracle (THB 73, foil) is a Rare Creature — Merfolk Wizard from the Theros Beyond Death set. When it enters the battlefield you look at the top X cards of your library, where X is your devotion to blue, and if X is at least the number of cards in your library you win the game. Players typically use it as a combo finisher that empties or reduces their library and maximizes devotion to blue to trigger the instant win effect.
Catalog pricing data as of 19 May 2026, 23:39
