AttackPoison Vine
Flip a coin. If heads, the Defending Pokémon is now Poisoned.

Bellsprout is Pokédex #069, generation 1 (Kanto). Erika's Bellsprout is a Basic Grass Pokémon with 40 HP. The card lists level 12. The card lists Weepinbell, Weepinbell (#070) under evolves to.
Erika's Bellsprout sits at 75/132 in Gym Heroes, position 75 of 132. Before it is 74 Brock's Zubat, and after it is 76 Erika's Bellsprout. The set belongs to the Gym series. It was released on 14 August 2000. The printed size is 132, and the checklist is the same length. The listed rarity is Common.
The attack Poison Vine lists 10 damage. The cost is Grass. Flip a coin. If heads, the Defending Pokémon is now Poisoned. Vine Whip is another attack lists 30 damage. The cost is Grass, Grass. Weakness is Fire ×2. Retreat cost is 1.
Bellsprout (#069) has 17 other cards in the catalog. Those other cards are in 16 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Bellsprout 49/64 in Jungle (1999). That card is named Bellsprout, while this one is Erika's Bellsprout. Both list 40 HP. Both list the rarity Common. Kagemaru Himeno illustrated that card, and Atsuko Nishida illustrated this one. 12 other cards of Bellsprout list a different HP.
The illustrator line reads Atsuko Nishida. I count 408 other cards in the catalog with that illustrator.
Gym Heroes set binder is where a full Gym Heroes set goes. This card fills one slot there. A generation binder holds one card of each species. Bellsprout can fill a slot in Generation 1 binder (Kanto). Themed lists that include this exact card are Trainer's Pokémon, Atsuko Nishida cards, early series, Kanto Gym Leaders and their Pokémon, and Erika and her Pokémon. I still need this card.
Flip a coin. If heads, the Defending Pokémon is now Poisoned.
Gym Heroes, in the Gym series. It was released on 14 August 2000. The printed size is 132.
75/132. It is entry 75 of 132 in this checklist.
Atsuko Nishida. The catalog lists 408 other cards with that illustrator.
Common.
Bellsprout #069, generation 1 (Kanto).
Poison Vine (10) and Vine Whip (30).