Yamask
Lost Thunder · #99/214
Yamask (99/214), the Common from Lost Thunder, has an estimated ungraded market price of about under $1.
As of July 20, 2026 · tracked daily by Riffle · estimates, not financial advice · how these numbers work

Image © The Pokémon Company, shown for identification.
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.
Details
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$10–$14Illustration Rare
Dark Explorers · #51/108$2–$3Uncommon
Noble Victories · #44/101$2–$3Common
Noble Victories · #45/101$0.70–$1Common
Plasma Freeze · #54/116$0.70–$1Common
Plasma Freeze · #55/116under $1Common
Stellar Crown · #062/142under $1Common
Surging Sparks · #082/191under $1Common
Paradox Rift · #075/182under $1Common
White Flare · #039/86under $1CommonFAQ
How much is Yamask (99/214) worth?
Yamask (99/214), the Common from Lost Thunder, has an estimated ungraded market price of about under $1. 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 $10–$14); #51/108 from Dark Explorers (Uncommon, about $2–$3); #44/101 from Noble Victories (Common, about $2–$3); #45/101 from Noble Victories (Common, about $0.70–$1); #54/116 from Plasma Freeze (Common, about $0.70–$1); #55/116 from Plasma Freeze (Common, about under $1); #062/142 from Stellar Crown (Common, about under $1); #082/191 from Surging Sparks (Common, about under $1); #075/182 from Paradox Rift (Common, about under $1); #039/86 from White Flare (Common, about under $1).
The collector number printed at the bottom of the card is the reliable way to tell them apart.
More from Lost Thunder
Grading
A grading read appears once Yamask has a PSA population census. Riffle captures the census monthly; this card doesn’t have enough graded copies on record yet.
- under $1 is the middle 80% of clean market activity, not the cheapest listing and not the most hopeful one.
- The band spans about ±25% around its midpoint: a moderate spread.
- Sampled daily since July 20, 2026, current as of July 20, 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 →