Chione Tyro Demeter (D-TB02/037EN) [Record of Ragnarok]

Play this if you have a vanguard with "Poseidon" in its card name! Look at seven cards from the top of your deck, choose up to one unit card with grade lower than or equal to your vanguard and "Poseidon" in its card name from among them, call it to (RC), shuffle the rest and put them on the bottom of your deck. Choose one of your vanguards, and it gets [Power] +10000 until end of turn.