Please note that this is the 2021 Reprint Edition given to WPN stores in August, 2021. The 2021 Edition is identifiable by a printed label on the underside of the box.
Each booster box contains 24 Mystery Booster Convention Edition 2021 Booster Packs. Each convention-exclusive Mystery Booster pack will contain fifteen cards: fourteen from the gigantically awesome main set, and one Research and Development Playtest card. Please keep in mind that all Playtest cards will have the following warning on them: TEST CARD - Not for Constructed Play.
![Mystery Booster - Booster Box [Convention Edition] (2021) - Sweets and Geeks](http://www.sweetsandgeeks.com/cdn/shop/products/box_29c6c1f5-e0d3-438d-9678-c9e8912f35bb_small@2x.jpg?v=1629880057 "Mystery Booster - Booster Box [Convention Edition] (2021)")
![Mystery Booster - Booster Box [Convention Edition] (2021) - Sweets and Geeks](http://www.sweetsandgeeks.com/cdn/shop/products/box_29c6c1f5-e0d3-438d-9678-c9e8912f35bb_{width}x.jpg?v=1629880057 "Mystery Booster - Booster Box [Convention Edition] (2021)")
![Mystery Booster - Booster Box [Convention Edition] (2021) - Sweets and Geeks](http://www.sweetsandgeeks.com/cdn/shop/products/box_29c6c1f5-e0d3-438d-9678-c9e8912f35bb_small.jpg?v=1629880057 "Mystery Booster - Booster Box [Convention Edition] (2021)")