Effect 1 // Spectator select a card and they keep it them self, you then put the whole deck back into the card box and write a prediction onto the side of the deck, but its not their selection, with a snap the writings visually change into their chosen card.
Effect 2 // you write an X mark and with a shake the X mark transfer into your palm.
Effect 3 // Spectator select a card and signed it, you then put the whole deck back into the card box and write an X mark on the side of the deck, with a tap the X mark vanish and transfer into their card that they are holding.
EASY TO DO
EASY TO PERFORM