Uguisumaru Kiwame

[AUTO]:When this unit is placed on (RC), [COST][Counter-Blast 1], look at the top seven cards of your deck, choose up to one card with "Ookanehira" in its card name from among them, reveal it and put it into hand, and shuffle the deck. [AUTO](RC):When this unit attacks, choose one of your units with "Ookanehira" in its card name, and that unit and this unit get [Power] +5000 until end of turn.