AttackWater Gun
This attack does 10 damage plus 20 more damage for each Water Energy attached to Starmie but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.

Starmie is Pokédex #121, generation 1 (Kanto). Starmie is a Stage 1 Water Pokémon with 70 HP. The card says it evolves from Staryu. In this catalog that name is Staryu (#120).
Starmie sits at 44/144 in Skyridge, position 44 of 182. Before it is 43 Piloswine, and after it is 45 Wobbuffet. The set belongs to the E-Card series. It was released on May 12, 2003. The printed size is 144. This checklist is longer, at 182 cards. The listed rarity is Uncommon.
The attack Water Gun lists 10+ damage. The cost is Water. This attack does 10 damage plus 20 more damage for each Water Energy attached to Starmie but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way. Core Blast is another attack lists 30+ damage. The cost is Colorless, Colorless, Colorless. This attack does 30 damage plus 20 more damage for each Special Energy card attached to the Defending Pokémon. Weakness is Lightning ×2. Retreat cost is 1.
Starmie (#121) has 34 other cards in the catalog. Those other cards are in 28 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Starmie 64/102 in Base (1999). That card lists 60 HP, and this one lists 70 HP. The rarity there is Common, and here it is Uncommon. Keiji Kinebuchi illustrated that card, and Kyoko Umemoto illustrated this one. 31 other cards of Starmie list a different HP.
The illustrator line reads Kyoko Umemoto. I count 174 other cards in the catalog with that illustrator.
Skyridge set binder is where a full Skyridge set goes. This card fills one slot there. A generation binder holds one card of each species. Starmie can fill a slot in Generation 1 binder (Kanto). I still need this card.
This attack does 10 damage plus 20 more damage for each Water Energy attached to Starmie but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.
This attack does 30 damage plus 20 more damage for each Special Energy card attached to the Defending Pokémon.
Skyridge, in the E-Card series. It was released on May 12, 2003. The printed size is 144.
44/144. It is entry 44 of 182 in this checklist.
Kyoko Umemoto. The catalog lists 174 other cards with that illustrator.
Uncommon.
Starmie #121, generation 1 (Kanto).
Water Gun (10+) and Core Blast (30+).