Herdier is card #109 of 146 in XY (2014), a Uncommon illustrated by Tomokazu Komiya. At about $3.42 it is the #31 most valuable card in the set. In a XY booster it turns up about once every 13 packs. It is one of 10 Herdier cards printed so far.
2011Black & White
2012Dark Explorers
2014XY
2017Sun & Moon
2019Cosmic Eclipse
2021Evolving Skies
2023Obsidian Flames
2025White Flare

















An ungraded Herdier from XY sells for about $3.42. A PSA 10 is worth more, roughly $17.10 by our estimate, and a PSA 9 around $7.87.
It is a Uncommon, and it shows up about once every 13 XY packs.
Tomokazu Komiya drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open XY 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.