Thassa's Oracle IMA return target permanent card with

return target permanent card with mana value 3 or less from your graveyard to the battlefield

Each opponent gets a poison counter

{T}: Another target creature you control gains protection from colorless or from the color of your choice until end of turn

(They're affected by summoning sickness

{4}: Put this card from your hand onto the battlefield

Thassa's Oracle IMA return target permanent card withWhen 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.)