Mareep is card #54 of 203 in Evolving Skies (2021), a Common illustrated by Yukiko Baba. At about $0.28 it is the #142 most valuable card in the set. In an Evolving Skies booster it turns up about once every 9 packs. It is one of 28 Mareep cards printed so far.
2000Neo Genesis
2003Aquapolis
2006Dragon Frontiers
2009Platinum
2011Call of Legends
2018Lost Thunder
2021Chilling Reign
2026Chaos Rising

















See the full Evolving Skies card list
An ungraded Mareep from Evolving Skies sells for about $0.28. A PSA 10 is worth more, roughly $0.98 by our estimate, and a PSA 9 around $0.56.
It is a Common, and it shows up about once every 9 Evolving Skies packs.
Yukiko Baba drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Evolving Skies 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.