If you do not have a 《LycoReco》 or 《Weapon》 character, this card cannot be played from your hand.
Look at up to 4 cards from the top of your deck, choose up to 1 《LycoReco》 or 《Weapon》 character, reveal it to your opponent, put it into your hand, and put the rest into your waiting room.
You may choose 1 card in your level and 1 card in your waiting room, and exchange them.