Unown is card #51 of 102 in HS—Triumphant (2010), a Uncommon illustrated by Hideaki Hakozaki. At about $10.00 it is the #54 most valuable card in the set. In a HS—Triumphant booster it turns up about once every 9 packs. It is one of 96 Unown cards printed so far.
1999Wizards Black Star Promos
2001Neo Discovery
2005Unseen Forces
2007Secret Wonders
2010HeartGold & SoulSilver
2015Ancient Origins
2022Silver Tempest
202630th Celebration

















See the full HS—Triumphant card list
An ungraded Unown from HS—Triumphant sells for about $10.00. A PSA 10 is worth more, roughly $80.00 by our estimate, and a PSA 9 around $28.00.
It is a Uncommon, and it shows up about once every 9 HS—Triumphant packs.
Hideaki Hakozaki 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.