A card trick that is so diabolical,
it could fool even the most famous magicians on television.
Picture this: You show your audience a prediction card at the start of
the effect and place it aside or hand it to a spectator for her to
keep. Your spectator then freely selects any card from a regular
shuffled deck. Without looking at her card, she places it face down in
the center of the face up deck. This card will now be recognized as her
With the deck tabled, you patter about the fact that at last week's
show, somebody accidentally turned a card over during a shuffle and
that it turned out to be a perfect match of the prediction. In fact,
you handed the deck to 20 other people but nobody "accidentally" could
turn over a card... The spectator DID turn over just one card in this
you slowly spread through the cards OR let your spectator make the
spread and the spectator can remove the ONLY turned over card, only to
find out it matches the prediction PERFECTLY!