Hydrocannon
Cost: Water, Water
Does 30 damage plus 20 more damage for each Water Energy attached to Dark Blastoise but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.

HP 70 · Water
Pokémon — Stage 2
Record the copies you own, place them in a binder, use the card in a deck, or save it to your wishlist.
TCGplayer market price via TCGdex, updated Oct 14, 2026. This price is more than 3 days old, so the market price today can differ. It is an estimate, not an offer. It does not change with the condition or the language of your copy.
Daily TCGplayer market price over the last 30 days.
Sign in to record the copies you own, place them in a binder or a box, use the card in a deck, or save it to your wishlist.
Cost: Water, Water
Does 30 damage plus 20 more damage for each Water Energy attached to Dark Blastoise but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.
Cost: Water, Colorless, Colorless
Dark Blastoise does 10 damage to itself. Flip a coin. If heads, prevent all damage done to Dark Blastoise during your opponent's next turn. (Any other effects of attacks still happen.)