The Mega Mewtwo EX 051/131 card from the CP4 Pokemon Japanese Premium Champion Pack is a highly sought-after collectable in the world of Pokémon TCG. This ultra rare card features the powerful Psychic-type Pokémon, Mewtwo, in its Champion form. Manufactured by Nintendo, this EX card is a valuable addition to any collector's deck, with its unique abilities and rarity making it a prized possession for fans of the game. With its speciality as an EX card and the prestigious Premium Pack set, this Mega Mewtwo EX is a must-have for any serious Pokémon card collector.