Magic: The Gathering Murders at Karlov Manor Collector Booster Box - 12 Packs (180 Magic Cards). Track down the city's most notorious cards as you collect evidence, don disguises, and identify suspects to decipher the deadly murder mystery at the heart of Ravnica. Collector Boosters are a shortcut to the coolest cards in a set, with packs full of Rare cards, shiny foil cards, and special alt-art, alt-frame cards. Found only in Collector Boosters, every pack contains at least 2 Extended-Art card and may contain a card with a special new type of foil treatment. Collector Boosters contain more hard-to-find cards than any other Murders at Karlov Manor booster, with 5 cards of rarity Rare or higher in each pack. Magic: The Gathering is a collectible card game that weaves deep strategy with art and mechanics that explore the themes of a particular world and story-whether you want to play a casual game with friends, collect cool cards, or get competitive, Magic welcomes you to The Gathering. CONTENTS - 12 Murders at Karlov Manor Collector Boosters, with 15 MTG cards in each pack