AttackKnock Away
Flip a coin. If heads, this attack does 20 damage plus 10 more damage.

Skiploom is Pokédex #188, generation 2 (Johto). Skiploom is a Stage 1 Grass Pokémon with 60 HP. The card says it evolves from Hoppip. In this catalog that name is Hoppip (#187). The card lists Jumpluff, Jumpluff (#189) under evolves to.
Skiploom sits at 51/123 in HeartGold & SoulSilver, position 51 of 124. Before it is 50 Qwilfish, and after it is 52 Slowbro. The set belongs to the HeartGold & SoulSilver series. It was released on February 10, 2010. The printed size is 123. This checklist is longer, at 124 cards. The listed rarity is Uncommon.
The attack Knock Away lists 20+ damage. The cost is Grass. Flip a coin. If heads, this attack does 20 damage plus 10 more damage. Weakness is Fire ×2. Resistance is Fighting -20. The flavor text reads "The bloom on top of its head opens and closes as the temperature fluctuates up and down."
Skiploom (#188) has 11 other cards in the catalog. Those other cards are in 11 sets. The other printings with a release date run from 2000 to 2024. The earliest other card is Skiploom 49/111 in Neo Genesis (2000). Both list 60 HP. Both list the rarity Uncommon. Atsuko Nishida illustrated that card, and sui illustrated this one. 3 other cards of Skiploom list a different HP.
The illustrator line reads sui. I count 194 other cards in the catalog with that illustrator.
HeartGold & SoulSilver set binder is where a full HeartGold & SoulSilver set goes. This card fills one slot there. A generation binder holds one card of each species. Skiploom can fill a slot in Generation 2 binder (Johto). I still need this card.
Flip a coin. If heads, this attack does 20 damage plus 10 more damage.
The bloom on top of its head opens and closes as the temperature fluctuates up and down.
HeartGold & SoulSilver, in the HeartGold & SoulSilver series. It was released on February 10, 2010. The printed size is 123.
51/123. It is entry 51 of 124 in this checklist.
sui. The catalog lists 194 other cards with that illustrator.
Uncommon.
Skiploom #188, generation 2 (Johto).
Knock Away (20+).