Rillaboom (Secret).
updated Aug 14, 2026
Price history and graded value
Grading odds
PSA has graded 2,848 copies. Where they landed:
Weighting every grade by how often this card actually comes back at it, a submission is worth $46.18 on average. The card plus the $25 fee costs $32.04, so grading clears its cost by $14.14. Only 73.5% of copies reach a 10, which is why the top price is the wrong number to plan around.
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The same card in other sets
What moves the price of this card
The Rillaboom (Secret) on this page is the Holofoil printing from Darkness Ablaze, and it trades at $7.04 in near mint condition. Only one printing of this card was produced, so there is no cheaper version to confuse it with.
Condition does most of the work below the surface. A copy with soft corners or a print line off centre trades well under the market price shown here, and a copy clean enough to grade trades well above it, which is why the PSA 10 sits at $55.00. Before you value your own copy, look at the corners under a light and check the centring on the back, where most cards give themselves away.