When 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 in the mana costs of permanents you control counts...
When Uro enters, sacrifice it unless it escaped.Whenever Uro enters or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield.Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)At the beginning of the end step, sacrifice Underworld Breach.
IndestructibleAs long as your devotion to blue is less than five, Thassa isn't a creature.At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.: Tap another target creature.
IndestructibleAs long as your devotion to blue is less than five, Thassa isn't a creature.At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.: Tap another target creature.