When Benjamin Earl tells us that he’s ready to publish his strongest card effect, we listen! In effect, a spectator freely names a card, they shuffle the deck multiple times and then find that card … and its three mates. Best of all, it happens in their hands, and apparently without the performer touching the deck!
You can present ‘Roleplayer’ as a magic or gambling demonstration, It only requires basic skills and it is almost entirely self-working! However, more advanced approaches—to both effect and method—are also explained.