Your search for "Boost Energy - 040/P" revealed the following:
Purple Memory Boost! (Resurgence Booster Reprint) - P-040 - Promo (Foil) from RB-01 Booster Set: Resurgence Booster, available at 401 Games Canada. Rarity: Promo Finish: Foil Card Text:[Main] Reveal the top 4 cards of your deck. Add 1 purple Digimon...
Boost Energy (Japanese) - 040/P - Holo Promo (Battle Road 2002) from Pokemon Japanese P Promos, available at 401 Games Canada. Rarity: Promo Finish: Holofoil Artist: Kai Ishikawa Card Text:Boost Energy can be attached only to an Evolved Pokémon. Discard...
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...