Life Drain
Cost: Colorless ()
Flip a coin. If heads, put damage counter on the Defending Pokémon until it is 10 HP away from being Knocked Out.
Shadow Dance
Cost: Psychic, Psychic, Colorless ()
Put 4 damage counters on your opponent's Pokémon in any way you like. Then, switch Gengar with 1 of your Benched Pokémon.
It hides in shadows. It is said that if Gengar is hiding, it cools that area by nearly 10 degrees F.