Bicycle – Impossible Search

The magician, shows a deck of cards both front and back, has one or more cards selected, and puts them back in the deck. This is then squared, and thrown into a paper bag. The bag is shaken vigorously, so that there I no doubt that the cards are randomly mixed up inside it. He then puts his hand inside the bag, and in an instant incredibly finds all the cards chosen!&nbsp;<br />
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It&#39;s a real miracle!&nbsp;