Spectator holds the deck of cards. Magician explains that he has placed one card from another deck, reversed in this deck. A second spectator names a card. The magician spreads the cards in full view of all. Only one card is seen to be reversed. It is the chosen card. Turn it over and it has a different color back!
Easy to do with this special deck.
CLICK ON THE LINK BELOW TO SEE OUR JUMBO BRAINWAVE DECK: