A Basic Pokemon Card of type Grass with the title Koffing and 50 HP of rarity Common from the set Ruby & Sapphire.  It has the attack Tackle with the cost Colorless, the energy cost 1 and the damage of 10. It has the attack Double-edge with the cost Grass, Colorless, the energy cost 2 and the damage of 30 with the description: Koffing does 10 damage to itself. It has weakness against Psychic 2. 
Koffing