Behind The Back

Fan out the marked poker cards face down and have the viewer pick any marked poker cards. When he has memorized it, have him put the card on the top of the deck (don't worry he will be fooled). Put the deck at the back, flip the top card over so the card is face up and the rest of the deck is face down. Bring the deck from behind your back and ask the person if the card on the bottom is their card. While doing this, his card should be in plain sight of you face up in the back of the deck. He of course will tell you that that card is not his. Put the cards behind your back again and flip over the viewers card again so that all cards are now face up. Cut the deck and show the spectator the