Authoritative Knight, Ballizal

:When placed, look at seven cards from the top of your deck, reveal up to one "Sanctuary Guard Dragon" or "Knight of Conquest, Wigstan" from among them and put it into your hand, and shuffle your deck. :When your vanguard with "Sanctuary Guard" in its card name attacks, that unit gets +10000 until end of that battle. If you have no face up cards in your damage zone, 1. This ability may only be used by a card with the same card name once a turn.