Sleeping Gas
Cost: Psychic
Flip a coin. If heads, the Defending Pokémon is now Asleep.

HP 30 · Psychic
Pokémon — Basic
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TCGplayer market price via TCGdex, updated Oct 14, 2026. This price is more than 3 days old, so the market price today can differ. It is an estimate, not an offer. It does not change with the condition or the language of your copy.
Daily TCGplayer market price over the last 30 days.
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Cost: Psychic
Flip a coin. If heads, the Defending Pokémon is now Asleep.
Cost: Psychic, Colorless
Discard 1 Energy card attached to Gastly in order to use this attack. If a Pokémon Knocks Out Gastly during your opponent's next turn, Knock Out that Pokémon.