Dusknoir from the Boundaries Crossed set is a Rare Holo rarity Reverse Holofoil variant card, numbered #63. Currently valued at $17.97, it appeals to collectors for its unique holo pattern and design, reflecting Dusknoir's ghostly theme. As part of the sixth generation of Pokémon cards, it holds significance in both gameplay and collection, especially for those focusing on completing the Boundaries Crossed set.