1 Get 16 random cards.
2 Let the spectator pick any card.
3 Control their card to the bottom it doesn't matter how you do it.
Do down under down under do this till you go through the cards. Be sure to start with under not down. Then take the top card after that and cut the deck.
Now deal the pack of cards into two piles until the face up card is with one other card.
Now the card that your helper found will always be their card if you did it right.
Come back for more. Leave a comment if you want more magic!