A Basic Pokemon Card of type Grass with the title Koffing and 50 HP of rarity Common from the set Team Rocket Returns.  It has the attack Gnaw with the cost Colorless, the energy cost 1 and the damage of 10. It has the ability Knockout Gas with the description: If Koffing is your Active Pokemon and is Knocked Out by an opponent's attack, the Attacking Pokemon is now Confused and Poisoned. It has weakness against Psychic 2. 
Koffing