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The Mega Mewtwo Y Collection is a sealed Pokémon TCG collection box from the BREAKthrough era centered on Mega Mewtwo Y. It typically contains a large promo card featuring Mega Mewtwo Y, several BREAKthrough booster packs, a foil oversized card or lithograph, a coin or playmat variation, and accessory items like a collector’s box to store cards. It is marketed as a collector’s set that provides specific promos plus booster packs for players and collectors expanding BREAKthrough-era collections.
Catalog pricing data as of 21 Apr 2026, 12:34