A Basic Pokemon Card of type Colorless with the title Porygon and 50 HP of rarity Promo from the set HGSS Black Star Promos and the flavor text: It is a manmade Pokemon. Since it doesn't breathe, people are eager to try it in any environment.. It has the attack Stiffen with the cost Colorless, the energy cost 1 with the description: During your opponent's next turn, any damage done to Porygon by attacks is reduced by 20 (after applying Weakness and Resistance). It has the attack Version Update with the cost Colorless, Colorless, the energy cost 2 with the description: Search your deck for Porygon2, show it to your opponent, and put it into your hand. Shuffle your deck afterward. It has weakness against Fighting 2. 
Porygon