ONLY THE HOTTEST CARDS. Collector Boosters are a shortcut to the most precious cards in Theros Beyond Death—open a pack and fill your binder with rares, foils, special art, and showcase frames. CARD STYLES NOT FOUND ANYWHERE ELSE. Collector Boosters are the only Theros Beyond Death boosters that contain cards with extended art. Each factory-sealed display box contains 12 collector booster packs.!