blind transposition Finix Chan and Skymember - Unsighted

Unsighted is an impossible card transpo where allow you to perform the signed card to impossible location or prediction effect.
The performer presents a single prediction card which is wrapped underneath a card case cellophane. Have the spectator freely choose a card and signs on it so that card turn into only one in the world. Then the card is lost in the deck which is fairly placed back in to the card case. Your spectator is invited to reveal the prediction card which is wrapped underneath a card case cellophane. The prediction card same as their signed card.