Unown [X] (Japanese: アンノーン [X] Unknown [X]) is a Psychic-type Basic Pokémon card. It is part of the Neo Destiny expansion.
"XXXXX" is the word associated with Unown X in the Unown Mode. Hidden Power is a move in the Pokémon games that Unown can learn. This card's Pokédex entry comes from Pokémon Crystal, though it is heavily reworded in English.