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 backside of the pack.
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 Pack [Convention Edition] (2021) - Sweets and Geeks](http://sweets-and-geeks.myshopify.com/cdn/shop/products/pack_84be7746-71b0-45df-802b-e42335e83e7f_small@2x.jpg?v=1629880057 "Mystery Booster - Booster Pack [Convention Edition] (2021)")
![Mystery Booster - Booster Pack [Convention Edition] (2021) - Sweets and Geeks](http://sweets-and-geeks.myshopify.com/cdn/shop/products/pack_84be7746-71b0-45df-802b-e42335e83e7f_{width}x.jpg?v=1629880057 "Mystery Booster - Booster Pack [Convention Edition] (2021)")
![Mystery Booster - Booster Pack [Convention Edition] (2021) - Sweets and Geeks](http://sweets-and-geeks.myshopify.com/cdn/shop/products/pack_84be7746-71b0-45df-802b-e42335e83e7f_small.jpg?v=1629880057 "Mystery Booster - Booster Pack [Convention Edition] (2021)")