The Decidueye GX #SM37 Holo Card is a collectible card from the Pokémon Trading Card Game, specifically from the SM Promos set. This rare promo card features the character Decidueye GX and is in near mint condition, making it a desirable addition to any collector's deck. With its unique design and limited availability, this card is sure to be a valuable and sought-after piece for fans of the game.