Gengar (Diamond & Pearl 27/130)
0
Colorless
Life Drain

Flip a coin. If heads, put damage counters on the Defending Pokémon until it is 10 HP away from being Knocked Out.

Psychic Psychic Colorless
Shadow Dance

Put 4 damage counters on your opponent's Pokémon in any way you like. Then, switch Gengar with 1 of your Benched Pokémon.