The performer riffles a deck of cards with red backs.The upper and the lower cards are removed and a strange thing happens: all cards of the deck will turn to be the same (e.g. 2 of hearts).To enhance the effect, the backs of the cards change to blue.It is real magic: both sides of the cards have changed!The performer riffles a deck of cards with red backs.The upper and the lower cards are removed and a strange thing happens: all cards of the deck will turn to be the same (e.g. 2 of hearts).To enhance the effect, the backs of the cards change to blue.It is real magic: both sides of the cards have changed!