Sticker of any suit, changes to spectator's selection in a blink of an eye. Visual affect self working gimmick, no sleight of hand required once you master the trick of the gimmick. Also resets in a second.
Use your imagination once you construct the gimmick, come up with the routines you desire.

You'll receive 4 files with your explanation video to help you construct the gimmick.

Don't blink or you'll miss it.