Image © The Pokémon Company, shown for identification.
Yamask
Lost Thunder · #99/214
Yamask (99/214), the Common from Lost Thunder, has an estimated ungraded market price of about $0.15.
As of September 14, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work
The modeled fair value of this card, with a confidence grade: what it should trade at, not just what it lists at. Part of Riffle premium, alongside price history and the full graded ladder.
About Yamask
Yamask is a Common (99/214) from the Pokémon Lost Thunder set, released November 2, 2018. Ungraded copies currently trade at an estimated market price of under $1. The artwork is by Ken Sugimori. Riffle tracks its market price daily; graded (PSA) comps and full price history are available with Riffle.
Other versions of Yamask
Yamask appears on 11 different cards across the sets Riffle tracks, at very different values. This page covers #99/214 from Lost Thunder; the collector number printed at the bottom of the card tells them apart.
White Flare · #122/86$9–$12Illustration Rare
Dark Explorers · #51/108under $1Uncommon
Plasma Freeze · #54/116under $1Common
Noble Victories · #45/101under $1Common
Noble Victories · #44/101under $1Common
Plasma Freeze · #55/116under $1Common
Stellar Crown · #062/142under $1Common
White Flare · #039/86under $1Common
Surging Sparks · #082/191under $1Common
Paradox Rift · #075/182under $1CommonFAQ
How much is Yamask (99/214) worth?
Yamask (99/214), the Common from Lost Thunder, has an estimated ungraded market price of about $0.15. Note: 10 other cards named Yamask exist across the sets Riffle tracks, at very different values; check the collector number.
Which Yamask card is this, and how do I tell the versions apart?
This page covers Yamask (99/214), the Common (about under $1) from Lost Thunder.
The other versions: #122/86 from White Flare (Illustration rare, about $9–$12); #51/108 from Dark Explorers (Uncommon, about under $1); #54/116 from Plasma Freeze (Common, about under $1); #45/101 from Noble Victories (Common, about under $1); #44/101 from Noble Victories (Common, about under $1); #55/116 from Plasma Freeze (Common, about under $1); #062/142 from Stellar Crown (Common, about under $1); #039/86 from White Flare (Common, about under $1); #082/191 from Surging Sparks (Common, about under $1); #075/182 from Paradox Rift (Common, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
Is Yamask (99/214) rare?
Yamask (99/214) is a Common. PSA has graded 1 copies to date, so graded supply is measurable and growing.
More from Lost Thunder
PSA population & gem rate
From the PSA population census, captured monthly by Riffle. Grade-by-grade population and pop-over-time appear with Riffle premium.
- under $1 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±33% around its midpoint: a wide spread, so read it as a range, not a point.
- Sampled daily since July 20, 2026, current as of September 14, 2026.
When the data thins, the band widens and says so, it never fakes precision. Exact source prices are part of Riffle premium; the band is Riffle’s own figure to publish. How these numbers work →