Koga's Koffing

Gym Challenge#79Common

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Attacks

Smelly Gas

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.)

Damage

Details

Supertype

Pokémon

Subtypes

Basic

Types

Grass

Weaknesses

Psychic×2

Retreat Cost

Colorless

Regulation Mark

None

Artist

Ken Sugimori

Legality

Standard: Not legal
No regulation mark
Expanded: Not legal
Released before the Black & White Series
Gym Leader Challenge: Not legal
Released before the Black & White Series
Unlimited: Legal

Market price

TCGplayer

View on TCGplayer

$2.82

Near Mint / daily average / 278 samples / updated Nov 4, 2026

eBay

View on eBay

$6.39

Near Mint / daily average / 47 samples / updated Oct 21, 2026

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Graded prices

PSA 10

$340

1st Edition / eBay / updated Oct 30, 2026

PSA 9

$39.99

1st Edition / eBay / updated Oct 26, 2026

CGC 10

$40.00

1st Edition / eBay / updated May 11, 2026

CGC 9

$15.00

1st Edition / eBay / updated Sep 15, 2026

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