Blastoise

Card Number | Rarity: 2/102 | Classic Collection
Card Type: Water
Card Text: Pokémon Power: Rain Dance As often as you like during your turn (before your attack), you may attach 1 W Energy card to 1 of your W Pokémon. (This doesn’t use up your 1 Energy card attachment for the turn.) This power can’t be used if Blastoise is Asleep, Confused, or Paralyzed.
Attack: [WWW] Hydro Pump (40+)

Does 40 damage plus 10 more damage for each W Energy attached to Blastoise but not used to pay for this attack’s Energy cost. Extra W Energy after the 2nd doesn’t count.