Koga's Koffing is a Pokémon TCG card from Gym Challenge G2-79. Compare listings from Singapore Pokémon TCG sellers on CardJio, then jio them on WhatsApp.
Smelly Gas [Grass] 10: Flip a coin. If heads, this attack does 10 damage to each Benched Pokémon (including your own). (Don't apply Weakness and Resistance for Benched Pokémon.)
恶臭气体 10:掷1次硬币若为正面,则对对手的所有备战宝可梦各造成10点伤害(包括自己的备战宝可梦)。[在备战区不计算弱点・抵抗力。]