Shellder is card #105 of 132 in Secret Wonders (2007), a Common illustrated by Ken Sugimori. At about $2.49 it is the #100 most valuable card in the set. In a Secret Wonders booster it turns up about once every 10 packs. It is one of 14 Shellder cards printed so far.
1999Fossil
2002Expedition Base Set
2004FireRed & LeafGreen
2007Secret Wonders
2014XY
2017Sun & Moon
2020Sword & Shield
2023151

















See the full Secret Wonders card list
An ungraded Shellder from Secret Wonders sells for about $2.49. A PSA 10 is worth more, roughly $19.92 by our estimate, and a PSA 9 around $6.97.
It is a Common, and it shows up about once every 10 Secret Wonders packs.
Ken Sugimori drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Secret Wonders 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.