Not Implemented: This card is not available to play on TCG ONE.

GASTLY_50:POKEMOD_GB_BASE_SETSleeping Gas
Flip a coin. If heads, the Defending Pokémon is now Asleep.
Destiny Bond
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.
weakness:x2
resistance:-30
retreat cost:0