A Basic Pokemon Card of type Water with the title Staryu and 50 HP of rarity Common from the set Hidden Legends.  It has the attack Pound with the cost Water, the energy cost 1 and the damage of 10. It has the ability Core Guard with the description: If Staryu has any Psychic Energy attached to it, damage done to Staryu by any attack is reduced by 10 (after applying Weakness and Resistance). It has weakness against Lightning 2. 
Staryu