Shellder is card #40 of 202 in Sword & Shield (2020), a Common illustrated by Sekio. At about $0.38 it is the #135 most valuable card in the set. In a Sword & Shield booster it turns up about once every 13 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 Sword & Shield card list
An ungraded Shellder from Sword & Shield sells for about $0.38. A PSA 10 is worth more, roughly $1.33 by our estimate, and a PSA 9 around $0.76.
It is a Common, and it shows up about once every 13 Sword & Shield packs.
Sekio drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Sword & Shield 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.