Gastly is card #83 of 202 in Sword & Shield (2020), a Common illustrated by Taira Akitsu. At about $0.48 it is the #101 most valuable card in the set. In a Sword & Shield booster it turns up about once every 13 packs. It is one of 35 Gastly cards printed so far.
1999Base Set
2003Skyridge
2007Diamond & Pearl
2010HS—Triumphant
2016Generations
2020Sword & Shield
2023151
2026Perfect Order

















See the full Sword & Shield card list
An ungraded Gastly from Sword & Shield sells for about $0.48. A PSA 10 is worth more, roughly $1.68 by our estimate, and a PSA 9 around $0.96.
It is a Common, and it shows up about once every 13 Sword & Shield packs.
Taira Akitsu 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.