Yamask is card #99 of 214 in Lost Thunder (2018), a Common illustrated by Ken Sugimori. At about $0.41 it is the #220 most valuable card in the set. In a Lost Thunder booster it turns up about once every 10 packs. It is one of 14 Yamask cards printed so far.
2011Noble Victories
2012Dark Explorers
2013Plasma Freeze
2018Lost Thunder
2021Chilling Reign
2023Paradox Rift
2024Stellar Crown
2025White Flare

















See the full Lost Thunder card list
An ungraded Yamask from Lost Thunder sells for about $0.41. A PSA 10 is worth more, roughly $2.05 by our estimate, and a PSA 9 around $0.94.
It is a Common, and it shows up about once every 10 Lost Thunder packs.
Ken Sugimori 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.