Rillaboom
Chilling Reign · #18/198 · Rare Holo · 2021
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-09-20
Population data from PriceCharting, updated monthly.
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“The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.”
How much is Rillaboom #18/198 worth?
As of November 5, 2026, Rillaboom #18/198 from Chilling Reign sells for around $0.26 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $0.09 to $999.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $21.17, roughly 81.4x the raw price, while a PSA 9 sits near $10.78. 20 copies have been graded to date, and 30% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.
