MTG Mystery Booster Box - Convention Edition 2021 Tweet Cannot be sold internationally. Brand New, 1 In stock $299.99 $199.99 View this product on the Buylist Note: Prices subject to change at any time. We reserve the right to limit quantities. Read More Description This set is designed for drafting and includes many reprints from Magic's history! Each MTG Mystery Booster Box, Convention Edition contains 24 packs. Convention Edition contains exclusive cards not found in other editions! These boxes are the 2021 Mystery Booster Convention Edition