Treecko is card #78 of 99 in Arceus (2009), a Common illustrated by Tokiya. At about $21.89 it is the #30 most valuable card in the set. In an Arceus booster it turns up about once every 7 packs. It is one of 23 Treecko cards printed so far.
2003Ruby & Sapphire
2004Team Rocket Returns
2006Crystal Guardians
2008Great Encounters
2009Arceus
2013Plasma Freeze
2018Lost Thunder
2021McDonald's Collection 2021

















An ungraded Treecko from Arceus sells for about $21.89. A PSA 10 is worth more, roughly $175 by our estimate, and a PSA 9 around $61.29.
It is a Common, and it shows up about once every 7 Arceus packs.
Tokiya drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Arceus 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.