Gaff Butterfly Worker Marked Playing Cards by Ondrej PsenickaButterfly Workers Gaff Deck Many magicians love using special gaff cards during shows. The gaffs either simplify the effect's method or can add a visual moment to it. The Butterfly Workers Gaff Deck includes 56 cards. The most used ones appear multiple times, such as blank face cards or double backers. Other ones, for example, our Cocoon and Caterpillar Jokers, are included just once. We also added gaff cards for classic card tricks Anniversary Waltz,