The Pokémon TCG Mega-Steelix-EX card from the Steam Siege set is a highly sought-after Ultra Rare card featuring the powerful Steelix Pokémon in its Mega form. With a high HP of 240 and a speciality of being an EX card, this Holo Rare card boasts the attack Canyon Axe with 160 damage and a retreat cost of CCCC. The card is in English and manufactured by The Pokémon Company, making it a valuable addition to any Pokémon TCG collection.