Deoxys δ is a Rare Holofoil variant card from the Holon Phantoms set, designated as card #4. As a dual-type Psychic and Fighting Pokémon, it showcases unique gameplay mechanics that appeal to collectors and players alike. Currently valued at $56.55, this Reverse Holofoil variant has seen interest due to its rarity and the ongoing demand for nostalgic cards from early Pokémon sets. Its condition and grading can significantly influence its market value.