Porygon is card #73 of 102 in HS—Triumphant (2010), a Common illustrated by Kouki Saitou. At about $11.37 it is the #49 most valuable card in the set. In a HS—Triumphant booster it turns up about once every 5 packs. It is one of 24 Porygon cards printed so far.
1999Base Set
2002Neo Destiny
2005Unseen Forces
2010HS—Triumphant
2016Evolutions
2018McDonald's Collection 2018
2022Lost Origin
2025Destined Rivals

















See the full HS—Triumphant card list
An ungraded Porygon from HS—Triumphant sells for about $11.37. A PSA 10 is worth more, roughly $90.96 by our estimate, and a PSA 9 around $31.84.
It is a Common, and it shows up about once every 5 HS—Triumphant packs.
Kouki Saitou drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HS—Triumphant booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.