Fast Lightning of Dark Night Undercover, Wiola

:When this unit is placed on , if you have a vanguard with "Undercover" in its card name, perform one of the following. ・ 2, search your deck for up to one "Monitored Tryst", discard it, and shuffle the deck. ・ 1, choose a card from your undercover gauge, turn it face up, put it into hand if it is a card with "Undercover" in its card name, and turn it face down if not.