Forretress is card #3 of 90 in HS—Undaunted (2010), a Rare Holo illustrated by Kyoko Umemoto. At about $3.93 it is the #73 most valuable card in the set. In a HS—Undaunted booster it turns up about once every 34 packs. It is one of 24 Forretress cards printed so far.
2001Neo Discovery
2003Skyridge
2006POP Series 3
2009Rising Rivals
2010HS—Undaunted
2011Call of Legends
2018Lost Thunder
2023Paldea Evolved

















See the full HS—Undaunted card list
An ungraded Forretress from HS—Undaunted sells for about $3.93. A PSA 10 is worth more, roughly $31.44 by our estimate, and a PSA 9 around $11.00.
It is a Rare Holo, and it shows up about once every 34 HS—Undaunted packs.
Kyoko Umemoto drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open HS—Undaunted 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.