Knight of Light Bow, Mumiah

[AUTO]:When this unit is placed on (RC), choose a grade 3 or greater card with "Sarevsael" in its card name from your drop, and you may put it on the bottom of the deck. If you chose a card, look at the top five cards of your deck, choose up to one card with "Virile Core" in its card name from among them, reveal it and put it into hand, and shuffle the deck. If you put a card into hand, choose a card from your hand, discard it, and this unit gets [Power] +2000 until end of turn.