This card trick is very impromptu and can be done with a borrowed deck. There is no need to practice and no sleights needed.
Trick:
You predict a card without even touching the deck.
Method:
You hand a whole deck to your spectator and tell him to shuffle it. You then tell him to count 26 cards which is half of the deck. As he/she is counting, you remember the seventh card. Then tell him/her to set aside the 26 cards counted. You then write your prediction to a piece of paper. Next, tell him/her to pick any three cards from the other half. After that tell him to put the other half on top of the counted 26 cards. Put the three cards in a row order face up. Tell him for each card how many will he add to make it 10. For example the
Copyright Enrico Lorenzo