Pokemon TCG: Polteageist V Box - Rules of Play says:
Sometimes, a Pokémon Trading Card Game match calls for something powerful, and Polteageist V is filled with a strong brew indeed! The Pokémon TCG: Polteageist V Box brings the sophisticated Black Tea Pokémon into your collection as both a snazzy foil card and an oversize card that will look fantastic on display. You'll also get four Pokémon TCG booster packs to fill out your deck even more.