Roselia is card #61 of 95 in HS—Unleashed (2010), a Common illustrated by Takashi Yamaguchi. At about $7.45 it is the #55 most valuable card in the set. In a HS—Unleashed booster it turns up about once every 5 packs. It is one of 16 Roselia cards printed so far.
2003Dragon
2007Secret Wonders
2008Stormfront
2010HS—Unleashed
2014Flashfire
2020Sword & Shield
2022Lost Origin
2025Destined Rivals

















See the full HS—Unleashed card list
An ungraded Roselia from HS—Unleashed sells for about $7.45. A PSA 10 is worth more, roughly $59.60 by our estimate, and a PSA 9 around $20.86.
It is a Common, and it shows up about once every 5 HS—Unleashed packs.
Takashi Yamaguchi drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HS—Unleashed 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.