Thassa's Oracle (Extended Art) [Theros Beyond Death] Special Rare Set: Sword & Shield: Fusion

Set: Sword & Shield: Fusion Strike Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

If X is 5 or more

but I couldn't tell you who they were

Set: Black & White: Legendary Treasures Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

or from among cards you own in exile without paying its mana cost

Thassa's Oracle (Extended Art) [Theros Beyond Death] Special Rare Set: Sword & Shield: FusionSet: Theros Beyond Death Type: Creature Merfolk Wizard Rarity: Rare Cost: {U}{U} When Thassa's Oracle enters the battlefield, 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