Mysterious Treasures · #1 · 2007
Market price: The going rate for an ungraded copy of this exact printing, from actual sales data — TCGplayer for USD, Cardmarket for EUR. Updated daily. · Holo: The artwork shines with a foil pattern. A separate printing from the plain card, and in vintage sets often worth many times more.
$18.49
up12% · 28dvia TCGplayer, updated Oct 7, 2026
Set rank: Where this card's market price ranks among the priced cards in its set — #1 is the set's most valuable card. in Mysterious Treasures
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Our chart tracks TCGplayer's market price and the asking prices of live eBay listings — what sellers want, not what buyers paid. Completed sale prices live on eBay itself: see recent sold listings for this card →
Today's TCGplayer market price for Aggron is $18.49 for the Holofoil printing.
Among the 124 priced cards in Mysterious Treasures, it sits 16th. (Lucario LV.X leads the set at $216.) Since we started tracking it on Feb 8, 2024, it's risen 287.6% — from $4.77 to $18.49. Over the last year it's climbed 182.3%, from $6.55 to $18.49. The 90-day move: up 44.1%, $12.83 to $18.49. Its highest point since we started tracking (February 2024) was $18.53 in October 2026; its lowest, $4.77 in February 2024. Over the last 30 days it's touched $18.53 at the top and $16.45 at the bottom. That's the Holofoil printing — the same card also trades as the Reverse Holofoil at $3.97.
By Printing
By printing: Holo: The artwork shines with a foil pattern. A separate printing from the plain card, and in vintage sets often worth many times more. $18.49 · Reverse holo: Everything except the artwork is foil — the reverse of a normal holo. It's a separate printing and prices on its own. $3.97
TCGplayer prices each printing on its own — the Holofoil printing is the headline number on this page. Same card, same number — the print run or foil treatment is what changes.
Heap Up40+
Cost: Colorless, Colorless
Search your discard pile for all Energy cards and show them to your opponent. If you find any Metal Special Energy cards there this attack does 40 damage plus 30 more damage. Put all of those Energy cards on top of your deck. Shuffle your deck afterward.
Hard Metal60+
Cost: Metal, Metal, Metal, Metal
You may do 60 damage plus 40 more damage. If you do, Aggron does 40 damage to itself.
“While seeking iron for food, it digs tunnels by breaking through bedrock with its steel horns.”
About $18.49 for an ungraded copy. That's the TCGplayer market price for the Holofoil printing, updated Oct 7, 2026. Graded copies in great shape usually sell for more. What grading means →
Up about 44% over the last 3 months — from $12.83 to $18.49 (TCGplayer market price). Zoom out a whole year and it's up 182%. Prices move a little every day, so the chart on this page has the freshest line.
The highest market price we've logged is $18.53 — that was October 2026. We've been writing this card's price down since February 2024, so that's the record on our watch, not an all-time record.
eBay is the easiest place — this page links straight to the live listings for Aggron (Mysterious Treasures #1). Check the photos and the seller's rating first. That's the rule.
Cards trading near $18.49 today.
Mysterious Treasures
