AttackGrowl
During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 20 (before applying Weakness and Resistance).

Eevee is Pokédex #133, generation 1 (Kanto). Eevee is a Basic Colorless Pokémon with 60 HP. The card lists Vaporeon, Vaporeon (#134), Jolteon, Jolteon (#135), Flareon, Flareon (#136), Sylveon, Sylveon (#700), Espeon, Espeon (#196), Umbreon, Umbreon (#197), Leafeon, Leafeon (#470), and Glaceon, Glaceon (#471) under evolves to.
Eevee sits at BW97/101 in BW Black Star Promos, position 97 of 101. Before it is BW96 Tornadus-EX, and after it is BW98 Mew. The set belongs to the Black & White series. It was released on March 1, 2011. The printed size is 101, and the checklist is the same length. The listed rarity is Promo.
The attack Growl lists no damage number. The cost is Colorless. During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 20 (before applying Weakness and Resistance). Quick Attack is another attack lists 10+ damage. The cost is Colorless, Colorless. Flip a coin. If heads, this attack does 10 more damage. Weakness is Fighting ×2. Retreat cost is 1. The flavor text reads "Thanks to its unstable genetic makeup, this special Pokémon conceals many different possible evolutions."
Eevee (#133) has 84 other cards in the catalog. Those other cards are in 52 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Eevee 51/64 in Jungle (1999). That card lists 50 HP, and this one lists 60 HP. The rarity there is Common, and here it is Promo. Kagemaru Himeno illustrated that card, and Akira Komayama illustrated this one. 50 other cards of Eevee list a different HP.
The illustrator line reads Akira Komayama. I count 239 other cards in the catalog with that illustrator.
BW Black Star Promos set binder is where a full BW Black Star Promos set goes. This card fills one slot there. A generation binder holds one card of each species. Eevee can fill a slot in Generation 1 binder (Kanto). Themed lists that include this exact card are Eevee and the Eeveelutions and All Eevee cards. I still need this card.
During your opponent's next turn, any damage done by attacks from the Defending Pokémon is reduced by 20 (before applying Weakness and Resistance).
Flip a coin. If heads, this attack does 10 more damage.
Thanks to its unstable genetic makeup, this special Pokémon conceals many different possible evolutions.
BW Black Star Promos, in the Black & White series. It was released on March 1, 2011. The printed size is 101.
BW97/101. It is entry 97 of 101 in this checklist.
Akira Komayama. The catalog lists 239 other cards with that illustrator.
Promo.
Eevee #133, generation 1 (Kanto).
Growl and Quick Attack (10+).