A festival full of mischief and secrets! Welcome to Kitakami Province, where humans and Pokémon are one with nature. Countless folk tales await, but appearances can be deceiving... Uncover the secret of the masked Legendary Pokémon Ogrepon, which appears as four fearsome Teracrystal Pokémon-ex of different types, and team up with newly discovered Pokémon such as Bloodmoon Ursaluna-ex and Fatalitcha-ex. ex. Quajutsu, Katapuldra, and Magcargo shine as massive Teracrystal Pokémon-ex, along with additional ACE-CLASS cards, to round out the celebrations in the Pokémon TCG: Crimson & Crimson—Twilight Masquerade expansion!