AbilityEnergy Barrier
If Mr. Mime would be damaged by an attack, reduce that damage by 10 for each basic Energy card attached to Mr. Mime. The maximum amount of damage that can be reduced by Energy Barrier is 20.

Aquapolis is a set in the E-Card series. It was released on January 15, 2003. The printed size is 147. This checklist is longer, at 182 cards. Mr. Mime is 95/147, in position 95 of 182 on this checklist. Before it is 94 Miltank, and after it is 96 Nidoran ♂. The listed rarity is Common.
Mr. Mime is a Basic Psychic Pokémon with 50 HP. In the Pokédex this is Mr. Mime (#122), generation 1 (Kanto).
Yukiko Baba illustrated this card. The same name is on 151 other cards in the catalog.
Mr. Mime (#122) 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 2025. The earliest other card is Mr. Mime 6/64 in Jungle (1999). That card lists 40 HP, and this one lists 50 HP. The rarity there is Rare Holo, and here it is Common. Ken Sugimori illustrated that card, and Yukiko Baba illustrated this one. 33 other cards of Mr. Mime list a different HP.
Energy Barrier is listed as Poké-Body. If Mr. Mime would be damaged by an attack, reduce that damage by 10 for each basic Energy card attached to Mr. Mime. The maximum amount of damage that can be reduced by Energy Barrier is 20. The attack Mind Shock lists 20 damage. The cost is Psychic, Colorless. Don't apply Weakness and Resistance. Weakness is Psychic ×2. Retreat cost is 1.
I keep a set binder for Aquapolis, meant to hold every card of that set. This card is one slot in the Aquapolis set binder. A generation binder holds one card of each species. Mr. Mime can fill a slot in Generation 1 binder (Kanto). I still need this card.
If Mr. Mime would be damaged by an attack, reduce that damage by 10 for each basic Energy card attached to Mr. Mime. The maximum amount of damage that can be reduced by Energy Barrier is 20.
Don't apply Weakness and Resistance.
Aquapolis, in the E-Card series. It was released on January 15, 2003. The printed size is 147.
95/147. It is entry 95 of 182 in this checklist.
Yukiko Baba. The catalog lists 151 other cards with that illustrator.
Common.
Mr. Mime #122, generation 1 (Kanto).
Mind Shock (20).