A Basic Pokemon Card of type Grass with the title Koga's Koffing and 40 HP of rarity Common from the set Gym Challenge.  It has the attack Smelly Gas with the cost Grass, the energy cost 1 and the damage of 10 with the description: Flip a coin. If heads, this attack does 10 damage to each Benched Pokemon (including your own). (Don't apply Weakness and Resistance for Benched Pokemon.) It has weakness against Psychic 2. 
Koga's Koffing