Fast Lightning in the Dark Night Undercover, ViolaSuper Rare

[AUTO]:When this unit is placed on (RC), if you have a vanguard with "Undercover" in its card name, perform one of the following. •Energy Blast (2), search your deck for up to one "Monitored Tryst", discard it, and shuffle the deck. •Counter Blast (1), choose a card from your [Gauge], turn it face up, put it into hand if it has "Undercover" in its card name, and turn it face down if not.