Taken by Surprise
Murder at the Prancing Pony #14 (x2)
Treachery

Forced: When a player looks at any number of cards from the Investigation deck, if Taken by Surprise is among the looked at cards, shuffle the encounter discard pile into the encounter deck and discard cards until an enemy is discarded. Put the discarded enemy into play engaged with the first player. Then remove Taken by Surprise from the game.