Put 4 damage counters on your opponent's Pokémon in any way you like.
Hurl into Darkness
Damage
Look at your opponent's hand and choose a number of Pokémon you find there up to the number of Psychic Energy attached to Gengar. Put the Pokémon you chose in the Lost Zone.
Abilities
Catastrophe
Poké-Body
As long as Gengar is your Active Pokémon, if any of your opponent's Pokémon would be Knocked Out, put that Pokémon in the Lost Zone instead of discarding. (Discard all cards attached to that Pokémon.)
Disclaimer: The following data is based on sale history from a third party source. Data is updated about every 5 days. This data does not serve as a value guarantee.