Effect

The performer informs the spectator that certain people have the ability to tell the color of the face of a card just by looking at its back. The performer admits that he can not do this. However, he has a strong feeling that the spectator can! The spectator takes the shuffled deck and begins dealing the cards into to random piles, trying to separate the colors without looking at the faces. When the spectator is finished, one pile is checked, and sure enough, there are nothing but red cards! The spectator managed to separate the reds from the blacks! The spectator was so good at separating the colors, that he/she also separated the colors that couldn't be seen... the cards are spread and the suits are now blue and green!