Magic: The Gathering x Marvel Super Heroes Collector Booster Hold the power of the Marvel Universe in your hands when you open a Magic: The Gathering | Marvel Super Heroes Collector Booster full of Rares and/or Mythics, shiny foils, special alt-border cards, and more! Each Collector Booster contains 15 Magic: The Gathering cards and 1 Art Card or Traditional Foil double-sided token. Card rarity and distribution vary. Headliner Mythic Rare in <1% of boosters. These cards are ideal for enhancing gameplay for strategy card game players.