Card trick
From Tardis Wiki, the free Doctor Who reference
A card trick was a kind of magic trick performed with at least one playing card. The Fourth Doctor once performed a card trick at a meeting of the Scientific Reform Society. (TV: Robot (part three) [+]Loading...{"part":"three","1":"Robot (TV story)"})
The Eleventh Doctor performed a trick to try and find a selected card, he claimed to be very good at card tricks despite failing to find the selected card. (TV: A Christmas Carol [+]Loading...["A Christmas Carol (TV story)"])