AttackData Retrieval
If you have less than 4 cards in your hand, draw cards until you have 4 cards in your hand.

Porygon is Pokédex #137, generation 1 (Kanto). Porygon is a Basic Colorless Pokémon with 50 HP. The card lists Porygon2, Porygon2 (#233) under evolves to.
Porygon sits at 47/112 in FireRed & LeafGreen, position 47 of 116. Before it is 46 Poliwhirl, and after it is 48 Raticate. The set belongs to the EX series. It was released on September 1, 2004. The printed size is 112. This checklist is longer, at 116 cards. The listed rarity is Uncommon.
The attack Data Retrieval lists no damage number. The cost is Colorless. If you have less than 4 cards in your hand, draw cards until you have 4 cards in your hand. Confuse Ray is another attack lists 10 damage. The cost is Colorless, Colorless. The Defending Pokémon is now Confused. Weakness is Fighting ×2. Retreat cost is 1.
Porygon (#137) has 23 other cards in the catalog. Those other cards are in 22 sets. The other printings with a release date run from 1999 to 2025. The earliest other card is Porygon 39/102 in Base (1999). That card lists 30 HP, and this one lists 50 HP. Both list the rarity Uncommon. 15 other cards of Porygon list a different HP.
The illustrator line reads Tomoaki Imakuni. I count 13 other cards in the catalog with that illustrator.
FireRed & LeafGreen set binder is where a full FireRed & LeafGreen set goes. This card fills one slot there. A generation binder holds one card of each species. Porygon can fill a slot in Generation 1 binder (Kanto). I still need this card.
If you have less than 4 cards in your hand, draw cards until you have 4 cards in your hand.
The Defending Pokémon is now Confused.
FireRed & LeafGreen, in the EX series. It was released on September 1, 2004. The printed size is 112.
47/112. It is entry 47 of 116 in this checklist.
Tomoaki Imakuni. The catalog lists 13 other cards with that illustrator.
Uncommon.
Porygon #137, generation 1 (Kanto).
Data Retrieval and Confuse Ray (10).