Diva of Waterheart, Petronille

[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 "PR♥ISM" 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, you may [Soul-Charge 2]. [AUTO](RC):At the end of the battle this unit attacked, if you have a vanguard with "Labrador" in its card name, you may return this unit to hand.