Your search for "Boost Energy 016/PLAY" revealed the following:
Boost Energy (Japanese) - 016/PLAY - Holo Promo from Pokemon Japanese PLAY Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Shin-ichi Yoshikawa Card Text:Boost Energy can be attached only to an Evolved Pokémon. Discard Boost Energy at...