Thassa's Oracle Aetherdrift Flash Domain — This spell

Flash Domain — This spell costs {1} less to cast for each basic land type among lands you control

exile it face down

you may play those cards without paying their mana costs

look at the top five cards of your library

Prevent all combat damage that would be dealt to you and planeswalkers you control this turn

Thassa's Oracle Aetherdrift Flash Domain — This spellWhen 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.)