Might Solve a Mystery is a Uncommon Action card from Disney Lorcana (Whispers in the Well, 10).
Uncommon
Whispers in the Well (10)
Card Text
(A character with cost 4 or more can {e} to sing this
song for free.)
Look at the top 4 cards of your deck. You may reveal
up to 1 character card and up to 1 item card and put
them into your hand. Put the rest on the bottom of
your deck in any order.