Gengar - 27/130 - Rare from Diamond & Pearl (Base Set), available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Kagemaru Himeno
• Card Text:
  [1] Life Drain
  Flip a coin. If heads, put damage counters on the Defending Pokémon until it is 10 HP away from being Knocked Out.
  [1PP] 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.