AttackSuper Psywave
Choose 1 of your opponent's Pokémon. Count the amount of Energy attached to that Pokémon. Put that many damage counters on the Pokémon.

Mew is Pokédex #151, generation 1 (Kanto). Mew is a Basic Psychic Pokémon with 50 HP.
Mew sits at 111/110 in Holon Phantoms, position 111 of 111. The card before it is 110 Fighting Energy. The set belongs to the EX series. It was released on May 1, 2006. The printed size is 110. This checklist is longer, at 111 cards. The collector number is above the printed set size of 110. The listed rarity is Rare Secret.
The attack Super Psywave lists no damage number. The cost is Psychic, Colorless. Choose 1 of your opponent's Pokémon. Count the amount of Energy attached to that Pokémon. Put that many damage counters on the Pokémon. Weakness is Psychic ×2. Retreat cost is 1.
Mew (#151) has 60 other cards in the catalog. Those other cards are in 35 sets. The other printings with a release date run from 1999 to 2026. The earliest other card is Mew 8/53 in Wizards Black Star Promos (1999). Both list 50 HP. The rarity there is Promo, and here it is Rare Secret. 54 other cards of Mew list a different HP.
The illustrator line reads Ken Sugimori. I count 1,112 other cards in the catalog with that illustrator.
Holon Phantoms set binder is where a full Holon Phantoms set goes. This card fills one slot there. A generation binder holds one card of each species. Mew can fill a slot in Generation 1 binder (Kanto). I still need this card.
Choose 1 of your opponent's Pokémon. Count the amount of Energy attached to that Pokémon. Put that many damage counters on the Pokémon.
Holon Phantoms, in the EX series. It was released on May 1, 2006. The printed size is 110.
111/110. It is entry 111 of 111 in this checklist.
Ken Sugimori. The catalog lists 1,112 other cards with that illustrator.
Rare Secret.
Mew #151, generation 1 (Kanto).
Super Psywave.