Mareep is card #75 of 214 in Lost Thunder (2018), a Common illustrated by Midori Harada. At about $5.48 it is the #78 most valuable card in the set. In a Lost Thunder booster it turns up about once every 10 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 Lost Thunder card list
An ungraded Mareep from Lost Thunder sells for about $5.48. A PSA 10 is worth more, roughly $27.40 by our estimate, and a PSA 9 around $12.60.
It is a Common, and it shows up about once every 10 Lost Thunder packs.
Midori Harada drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Lost Thunder 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.