A Stage 1 Pokemon Card of type Water with the title Sharpedo and 70 HP of rarity Rare evolved from Carvanha from the set Ruby & Sapphire.  It has the attack Dark Slash with the cost Water, Colorless, Colorless, the energy cost 3 and the damage of 40+ with the description: You may discard a Darkness Energy card attached to Sharpedo. If you do, this attack does 40 damage plus 30 more damage. It has the ability Rough Skin with the description: If Sharpedo is your Active Pokemon and is damaged by an opponent's attack (even if Sharpedo is Knocked Out), put 2 damage counters on the Attacking Pokemon. It has weakness against Lightning 2. 
Sharpedo