"Priest" Who Guides People, Heiter

[AUTO]:When this unit is placed on (RC), if you have a vanguard with "Fern" in its card name, [COST][Counter-Blast 1], look at the top seven cards of your deck, choose up to one unit card with "Frieren" in its card name from among them, reveal it and put it into hand, and shuffle the deck. If you did not reveal a card, [Counter-Charge 1].