The Pokémon TCG Onix GX is a rare and powerful card from the Hidden Fates set. With a high HP of 200 and a Fighting attribute, it is a valuable addition to any player's deck. The card is also ultra-rare and features a holographic finish, making it a highly sought-after collectible for fans of the game. Its card number is 36/68, and it is part of the Toys & Hobbies and Collectible Card Games categories.