Description, catalog fields, rules text, and how it plays—in one place.
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No rules listed.
Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.
Abilities, attacks, weakness & resistance
No abilities listed.
Flip a coin. If heads, the Defending Pokémon is now Poisoned; if tails, it is now Confused.
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This listing describes the First Edition Shadowless Koffing (51/102) from the Base set, featuring Mitsuhiro Arita's artwork and the First Edition stamp with a shadowless border. It is a Basic Grass-type common with the attack Foul Gas and the provided flavor text about toxic gases. The First Edition Shadowless designation identifies it as an early U.S.
Catalog pricing data as of 3 Apr 2026, 21:52