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

Gengar is Pokédex #094, generation 1 (Kanto). Gengar is a Stage 2 Psychic Pokémon with 110 HP. The card lists level 39. The card says it evolves from Haunter. In this catalog that name is Haunter (#093).
Gengar sits at 27/130 in Diamond & Pearl, position 27 of 130. Before it is 26 Floatzel, and after it is 28 Heracross. The set belongs to the Diamond & Pearl series. It was released on May 1, 2007. The printed size is 130, and the checklist is the same length. The listed rarity is Rare.
The attack Life Drain lists no damage number. The cost is Colorless. Flip a coin. If heads, put damage counters on the Defending Pokémon until it is 10 HP away from being Knocked Out. Shadow Dance is another attack lists no damage number. The cost is 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. Weakness is Darkness +30. Resistance is Colorless -20. Retreat cost is 1. The flavor text reads "It hides in shadows. It is said that if Gengar is hiding, it cools that area by nearly 10 degrees F."
Gengar (#094) has 52 other cards in the catalog. Those other cards are in 34 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Gengar 5/62 in Fossil (1999). That card lists 80 HP, and this one lists 110 HP. The rarity there is Rare Holo, and here it is Rare. Keiji Kinebuchi illustrated that card, and Kagemaru Himeno illustrated this one. 48 other cards of Gengar list a different HP.
The illustrator line reads Kagemaru Himeno. I count 656 other cards in the catalog with that illustrator.
Diamond & Pearl set binder is where a full Diamond & Pearl set goes. This card fills one slot there. A generation binder holds one card of each species. Gengar can fill a slot in Generation 1 binder (Kanto). Themed lists that include this exact card are Gengar and the Gastly line. I still need this card.
Flip a coin. If heads, put damage counters on the Defending Pokémon until it is 10 HP away from being Knocked Out.
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.
Diamond & Pearl, in the Diamond & Pearl series. It was released on May 1, 2007. The printed size is 130.
27/130. It is entry 27 of 130 in this checklist.
Kagemaru Himeno. The catalog lists 656 other cards with that illustrator.
Rare.
Gengar #094, generation 1 (Kanto).
Life Drain and Shadow Dance.