Raichu is card #83 of 90 in HS—Undaunted (2010), a Rare Prime illustrated by Takashi Yamaguchi. At about $138 it is the #10 most valuable card in the set. In a HS—Undaunted booster it turns up about once every 40 packs. It is one of 71 Raichu cards printed so far.
1999Base Set
2002Expedition Base Set
2006Holon Phantoms
2009Arceus
2010HeartGold & SoulSilver
2014XY
2017Shining Legends
2022Brilliant Stars

















See the full HS—Undaunted card list
An ungraded Raichu from HS—Undaunted sells for about $138. A PSA 10 is worth more, roughly $1,107 by our estimate, and a PSA 9 around $387.
It is a Rare Prime, and it shows up about once every 40 HS—Undaunted packs.
Takashi Yamaguchi 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.