It Likes Riddles?
The Hobbit: Over Hill and Under Hill #81 (x3)

When Revealed: The first player must choose to answer the riddle on this card. If he finds at least 1 match, discard cards from the encounter deck until another card with a riddle is discarded. Then, answer that riddle.Riddle: The first player names a cost, shuffles his deck, then discards the top 2 cards. For each of those cards that matches, place 1 progress token on stage 2.