Marill is card #76 of 113 in Delta Species (2005), a Common illustrated by Midori Harada. At about $37.32 it is the #62 most valuable card in the set. In a Delta Species booster it turns up about once every 6 packs. It is one of 26 Marill cards printed so far.
1999Wizards Black Star Promos
2001Southern Islands
2004Team Rocket Returns
2005Delta Species
2007Diamond & Pearl
2015Primal Clash
2017Burning Shadows
2023Paldea Evolved

















See the full Delta Species card list
An ungraded Marill from Delta Species sells for about $37.32. A PSA 10 is worth more, roughly $485 by our estimate, and a PSA 9 around $149.
It is a Common, and it shows up about once every 6 Delta Species packs.
Midori Harada drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Delta Species 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.