Pokémon Trading Card Game - Sharpedo - EX: Ruby & Sapphire 22

Poké-Body: Rough Skin
If Sharpedo is your Active Pokémon and is damaged by an opponent's attack (even if Sharpedo is Knocked Out), you put 1 damage counter on the Attacking Pokémon.

Dark Slash 40+
You may discard a Energy card attached to Sharpedo. If you do, this attack's base damage is 70 instead of 40.