AttackMoonwatching
Search your deck for a basic Energy card. Show that card to your opponent, then put it into your hand. Shuffle your deck afterward.

Gym Heroes is a set in the Gym series. It was released on August 14, 2000. The printed size is 132, and the checklist is the same length. Erika's Clefairy is 25/132, in position 25 of 132 on this checklist. Before it is 24 Brock's Zubat, and after it is 26 Erika's Victreebel. The listed rarity is Rare.
Erika's Clefairy is a Basic Colorless Pokémon with 50 HP. The card lists level 17. In the Pokédex this is Clefairy (#035), generation 1 (Kanto). The card lists Clefable, Clefable (#036) under evolves to.
Ken Sugimori illustrated this card. The same name is on 1,112 other cards in the catalog.
Clefairy (#035) has 37 other cards in the catalog. Those other cards are in 30 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Clefairy 5/102 in Base (1999). That card is named Clefairy, while this one is Erika's Clefairy. That card lists 40 HP, and this one lists 50 HP. The rarity there is Rare Holo, and here it is Rare. 29 other cards of Clefairy list a different HP.
The attack Moonwatching lists no damage number. The cost is Colorless. Search your deck for a basic Energy card. Show that card to your opponent, then put it into your hand. Shuffle your deck afterward. Comet Slap is another attack lists 10× damage. The cost is Colorless, Colorless. Flip 3 coins. This attack does 10 damage times the number of heads. Weakness is Fighting ×2. Resistance is Psychic -30. Retreat cost is 1.
I keep a set binder for Gym Heroes, meant to hold every card of that set. This card is one slot in the Gym Heroes set binder. A generation binder holds one card of each species. Clefairy can fill a slot in Generation 1 binder (Kanto). Themed lists that include this exact card are Trainer's Pokémon, Kanto Gym Leaders and their Pokémon, Erika and her Pokémon, and Cleffa, Clefairy, and Clefable. I still need this card.
Search your deck for a basic Energy card. Show that card to your opponent, then put it into your hand. Shuffle your deck afterward.
Flip 3 coins. This attack does 10 damage times the number of heads.
Gym Heroes, in the Gym series. It was released on August 14, 2000. The printed size is 132.
25/132. It is entry 25 of 132 in this checklist.
Ken Sugimori. The catalog lists 1,112 other cards with that illustrator.
Rare.
Clefairy #035, generation 1 (Kanto).
Moonwatching and Comet Slap (10×).