Effect:
The spectator chooses one card and signs it. The magician tears off the corner of that card and places the card in the middle of a deck. The corner visually disappears and appears on top of the chosen card - right in the middle of the deck.
The spectator chooses one card and signs it. The magician tears off the corner of that card and places the card in the middle of a deck. The corner visually disappears and appears on top of the chosen card - right in the middle of the deck.