The product is a brand new, sealed box of MTG Magic The Gathering Modern Horizons 3 Collector Booster from Japan. These are special cards and have been told that each pack contains special cards hence the stupid price. If you do your research, you will be able to see the sort of cards that are in them.  This box contains standard-sized cards from the Modern Horizons 3 set, manufactured by Wizards of the Coast. The cards are in Japanese language and are sourced from Japan. The booster features cards for the popular collectable card game, Magic The Gathering, making it a desirable item for collectors and players alike. This packet has not been opened
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