CONTACT US PRIVACY POLICY Shop at Your Local Store. card not found in the main set! The oldest cards are from Mirage, which was released way back in 1996! The Mystery booster contains cards from all over Magic’s past. Each Mystery Booster contains 15 cards, including one (possibly foil!) Convention Edition . Each Convention Edition booster contains 14 cards from the main Mystery Booster set, plus one extra-special “R&D” card. It’s probably the most unusual Magic product ever made outside the silver-border cards. Over 1600 cards from decades of Magic history. Magic Fest Richmond was the first tournament where player could open Mystery boosters without knowing what’s in them. RELATED: Magic The Gathering: Best-Performing Decks at Mythic Championship 6 This MTG Mystery Booster card list consists of 1,694 reprints, making this a truly gigantic "set. THE CYCLICAL MTG SPOILER MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.