The performer brings out a large envelope, with a prediction inside.
A spectator now selects a card from a deck of playing cards.
It is, for example, the four of diamonds.
The magician proclaims that his prediction is successful. The envelope is opened, and its contents removed: A framed piece of transparent plastic, on which is printed an entire deck of cards, face on one side, backs on the other.Well, of course the prediction is correct---all the cards are there!