Collector Boosters for Modern Horizons 3 bring the heat you’ve been waiting for. Every pack contains 7 alt-frame cards and a total of 10–12 Traditional Foil cards, plus the possibility of Foil-Etched cards, a Textured Foil card, or foil Serialized card (found in <1% of boosters). This Modern Horizons 3 Collector Booster Box contains 12 Collector Boosters, each containing 15 Magic: The Gathering cards and 1 Traditional Foil Double-Sided Token. Every pack includes 5 cards of rarity Rare or higher and 3–5 Uncommon, 4–6 Common, and 1 Full-Art Eldrazi Basic Land cards. Found only in Collector Boosters, Serialized cards are always in English but can be opened in boosters of any language. They are mechanically identical to their non-serialized counterparts.