Bicycle - Brainwave Deck - With blue case

The magician places a deck of cards in a sealed box on the table. A spectator thinks of a card and names it. The magician takes the deck, opens it with his hands, and demonstrates how a single card is revealed. It is clear that this is the spectator's named card, and it is also the only one whose back is different from the others.
• An effect with a powerful impact on the audience, as the card is freely conceived. The spectator can name any card. Card in the deck.