AttackFocus Energy
During your next turn, base damage of Swellow's Agility is 70 instead of 30.

Swellow is Pokédex #277, generation 3 (Hoenn). Swellow is a Stage 1 Colorless Pokémon with 70 HP. The card says it evolves from Taillow. In this catalog that name is Taillow (#276).
Swellow sits at 15/17 in POP Series 1, position 15 of 17. Before it is 14 Surskit, and after it is 16 Armaldo ex. The set belongs to the POP series. It was released on September 1, 2004. The printed size is 17, and the checklist is the same length. The listed rarity is Common.
The attack Focus Energy lists no damage number. The cost is Colorless. During your next turn, base damage of Swellow's Agility is 70 instead of 30. Agility is another attack lists 30 damage. The cost is Colorless, Colorless. Flip a coin. If heads, prevent all effects of an attack, including damage, done to Swellow during your opponent's next turn. Weakness is Lightning ×2. Resistance is Fighting -30. Retreat cost is 1.
Swellow (#277) has 13 other cards in the catalog. Those other cards are in 12 sets. The other printings with a release date run from 2003 to 2025. The earliest other card is Swellow 46/109 in Ruby & Sapphire (2003). Both list 70 HP. The rarity there is Uncommon, and here it is Common. Ken Sugimori illustrated that card, and Kagemaru Himeno illustrated this one. 7 other cards of Swellow list a different HP.
The illustrator line reads Kagemaru Himeno. I count 656 other cards in the catalog with that illustrator.
POP Series 1 set binder is where a full POP Series 1 set goes. This card fills one slot there. A generation binder holds one card of each species. Swellow can fill a slot in Generation 3 binder (Hoenn). I still need this card.
During your next turn, base damage of Swellow's Agility is 70 instead of 30.
Flip a coin. If heads, prevent all effects of an attack, including damage, done to Swellow during your opponent's next turn.
POP Series 1, in the POP series. It was released on September 1, 2004. The printed size is 17.
15/17. It is entry 15 of 17 in this checklist.
Kagemaru Himeno. The catalog lists 656 other cards with that illustrator.
Common.
Swellow #277, generation 3 (Hoenn).
Focus Energy and Agility (30).