The Umbreon 031/051 BW8 Thunder Knuckle Holo Rare 1st Pokemon Card in Japanese is a highly sought-after collectable for fans of the Pokemon Trading Card Game. Manufactured by Nintendo in 2012, this card features the character Umbreon in its Darkness attribute form. With a holographic finish and being part of the Thunder Knuckle set, this card is a valuable addition for collectors looking to complete their Pokemon TCG collection. Its rarity and first edition status add to its appeal, making it a prized possession for any Pokemon card enthusiast.