A Stage 1 Pokemon Card of type Water with the title Seadra and 80 HP of rarity Uncommon evolved from Horsea from the set Burning Shadows and the flavor text: Its body bristles with sharp spikes. Carelessly trying to touch it could cause fainting from the spikes. It has the attack Water Arrow with the cost Water, the energy cost 1 with the description: This attack does 30 damage to 1 of your opponent's Pokemon. (Don't apply Weakness and Resistance for Benched Pokemon.) It has weakness against Grass 2. 
Seadra