AbilityShell Retreat
As long as Squirtle has any Energy cards attached to it, damage done to Squirtle by an opponent's attack is reduced by 10 (after applying Weakness and Resistance).

Squirtle is Pokédex #007, generation 1 (Kanto). Squirtle is a Basic Water Pokémon with 50 HP. The card lists Wartortle, Wartortle (#008) under evolves to.
Squirtle sits at 14/17 in POP Series 4, position 14 of 17. Before it is 13 Pikachu, and after it is 15 Treecko δ. The set belongs to the POP series. It was released on August 1, 2006. The printed size is 17, and the checklist is the same length. The listed rarity is Common.
Shell Retreat is listed as Poké-Body. As long as Squirtle has any Energy cards attached to it, damage done to Squirtle by an opponent's attack is reduced by 10 (after applying Weakness and Resistance). The attack Tackle lists 10 damage. The cost is Colorless. Weakness is Lightning ×2. Retreat cost is 1.
Squirtle (#007) has 27 other cards in the catalog. Those other cards are in 22 sets. The other printings with a release date run from 1999 to 2024. The earliest other card is Squirtle 63/102 in Base (1999). That card lists 40 HP, and this one lists 50 HP. Both list the rarity Common. Mitsuhiro Arita illustrated that card, and Atsuko Nishida illustrated this one. 18 other cards of Squirtle list a different HP.
The illustrator line reads Atsuko Nishida. I count 408 other cards in the catalog with that illustrator.
POP Series 4 set binder is where a full POP Series 4 set goes. This card fills one slot there. A generation binder holds one card of each species. Squirtle can fill a slot in Generation 1 binder (Kanto). I still need this card.
As long as Squirtle has any Energy cards attached to it, damage done to Squirtle by an opponent's attack is reduced by 10 (after applying Weakness and Resistance).
POP Series 4, in the POP series. It was released on August 1, 2006. The printed size is 17.
14/17. It is entry 14 of 17 in this checklist.
Atsuko Nishida. The catalog lists 408 other cards with that illustrator.
Common.
Squirtle #007, generation 1 (Kanto).
Tackle (10).