Mareep δ is card #54 of 101 in Dragon Frontiers (2006), a Common illustrated by Sachiko Adachi. At about $32.86 it is the #52 most valuable card in the set. In a Dragon Frontiers booster it turns up about once every 5 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 Dragon Frontiers card list
An ungraded Mareep δ from Dragon Frontiers sells for about $32.86. A PSA 10 is worth more, roughly $427 by our estimate, and a PSA 9 around $131.
It is a Common, and it shows up about once every 5 Dragon Frontiers packs.
Sachiko Adachi drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Dragon Frontiers 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.