A Stage 1 Pokemon Card of type Water with the title Cloyster and 70 HP of rarity Rare evolved from Shellder from the set FireRed & LeafGreen.  It has the attack Double Bubble with the cost Colorless, Colorless, the energy cost 2 and the damage of 10 with the description: Flip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads, the Defending Pokemon is now Paralyzed. It has the attack Shell Attack with the cost Water, Colorless, Colorless, the energy cost 3 and the damage of 50. It has the ability Exoskeleton with the description: Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance). It has weakness against Lightning 2. 
Cloyster