AttackContinuous Tumble
Flip a coin until you get tails. This attack does 30 damage times the number of heads.

Dark Explorers is a set in the Black & White series. It was released on May 9, 2012. The printed size is 108. This checklist is longer, at 111 cards. Chansey is 81/108, in position 81 of 111 on this checklist. Before it is 80 Chansey, and after it is 82 Blissey. The listed rarity is Common.
Chansey is a Basic Colorless Pokémon with 100 HP. In the Pokédex this is Chansey (#113), generation 1 (Kanto). The card lists Blissey, Blissey (#242) under evolves to.
Mizue illustrated this card. The same name is on 184 other cards in the catalog.
Chansey (#113) has 24 other cards in the catalog. Those other cards are in 23 sets. The other printings with a release date run from 1999 to 2024. The earliest other card is Chansey 3/102 in Base (1999). That card lists 120 HP, and this one lists 100 HP. The rarity there is Rare Holo, and here it is Common. Ken Sugimori illustrated that card, and Mizue illustrated this one. Retreat cost there is 1, and here it is 2. 19 other cards of Chansey list a different HP.
The attack Continuous Tumble lists 30× damage. The cost is Colorless, Colorless. Flip a coin until you get tails. This attack does 30 damage times the number of heads. Weakness is Fighting ×2. Retreat cost is 2. The flavor text reads "A kindly Pokémon that lays highly nutritious eggs and shares them with injured Pokémon or people."
I keep a set binder for Dark Explorers, meant to hold every card of that set. This card is one slot in the Dark Explorers set binder. A generation binder holds one card of each species. Chansey can fill a slot in Generation 1 binder (Kanto). I still need this card.
Flip a coin until you get tails. This attack does 30 damage times the number of heads.
A kindly Pokémon that lays highly nutritious eggs and shares them with injured Pokémon or people.
Dark Explorers, in the Black & White series. It was released on May 9, 2012. The printed size is 108.
81/108. It is entry 81 of 111 in this checklist.
Mizue. The catalog lists 184 other cards with that illustrator.
Common.
Chansey #113, generation 1 (Kanto).
Continuous Tumble (30×).