MTG: Marvel Super Heroes Collector Booster Box (PREORDER)Hold the power of the Marvel Universe in your hands when you open Magic: The Gathering Marvel Super Heroes Collector Boosters. Collector Boosters are the ultimate way to add unique and exclusive cards to your collection; tons of foils, special card treatments, rares and or mythic rares, and more await you inside every pack. Each booster may contain Collector Booster exclusive card treatments, like extended art cards or even an ultra rare headliner