Once again I introduce an effect that has been tested under fire and which has proven a good item for small club and close-up programs. It uses one of my favorite subterfuges - that of introducing an odd card into a borrowed deck - than which there is no other principle more intriguing at the moment. Asking two members of the audience to assist, you have one on each side and announce a most baffling problem with the borrowed deck. With the cards face up you deal them onto the spectator's hands, the man to your right getting the black…