THB: Thassa's Oracle (Extended Art) (Foil) automotivepuzzle or enhance them with cards

or enhance them with cards from the booster packs

Then that player shuffles

but that's kind of the point

Look at the top seven cards of your library

Players can use the new cards to strengthen a wide variety of existing decks

THB: Thassa's Oracle (Extended Art) (Foil) automotivepuzzle or enhance them with cardsWhen Thassa's Oracle 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.)