Swifty's Amazing Card Trick

Two
people each pick a card. Announce boldly that if they add their cards
together, you have predicted a 3rd card which is the sum of their
cards. Your card is lying face down on the table. You will then produce
either the 14 or 15 card. Two other comedy routines written by our own
professional IN HOUSE magician are included. Real Bicycle back design
on special cards. They can be used with a normal deck of red bicycle
cards.