#1/123Illus. Kouki Saitou
Holo Rare
Aggron
Track this card
Holofoil
Reverse Holo
59/ 100
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Collector's readWhat it means for your master set
Set position
22 of 244
A mid-value card in the set
Demand vs rarity Est.
0.8×
In line with its rarity · others at this rarity sell for about $24.52
Cost to complete
<1%
of the ~$2272 to finish Mysterious Treasures
Completion difficulty Est.
Medium
A moderate pickup for the set
Where it sits in the price lifecycle
Release Hype
Post-Release Correction
Stable / Reprint Risk
End-of-Print Spike
Out-of-Print Maturation
Buy timingMysterious Treasures is out of print, so supply only tightens over time. Buy a clean copy when you find one rather than waiting for a dip.
Out of print · pricing trending up · estimated
Set landscapeWhere this card sits in Mysterious Treasures
fewermore cards
Common
4
17
15
5
1
42
Uncommon
25
10
2
37
Rare
12
9
2
23
Ultra Rare
2
1
3
Holo Rare
1
5
10
3
19
all
0
4
55
39
19
6
1
124
0.5
1
5
15
50
150
150+
Columns = resale price up to $X (log) · shade = cards in cell (log) · right & bottom = totals · white ring = this card
VariantsCard variants
Variants are the different finishes of the same card — the standard print, reverse holo, and any special patterns. A complete master set needs every variant below, so track each one in your collection.
| Variant | Note | Market |
|---|---|---|
| Holofoil 1/123 | Holofoil variant. | $18.49 |
| Reverse Holo 1/123 | Reverse-holo variant. | $3.97 |
Own it wellKeep this card protected
Protect your card
High Chase Score — protect and consider grading. · Amazon affiliate links · Storage guideInner sleeveVault X Exact Fit SleevesA snug perfect-fit inner layer — double-sleeve valuable cards with these before the matte sleeve goes on.View on Amazon →Outer sleeveDragon Shield Matte SleevesMatte, archival-safe outer sleeves — the everyday standard for keeping surfaces and edges clean.View on Amazon →Rigid holderCardboard Gold Top LoadersPSA-recommended acid-free top loaders — rigid protection against bends and scratches on raw high-value cards.View on Amazon →Premium binderDragon Shield Card Codex 360A 360-card side-loading portfolio with a padded cover for long-term, display-safe storage.View on Amazon →
Game data
Type
Pokémon
Element
Metal
Stage
Stage 2
HP
130
Rarity
Holo Rare
Artist
Kouki Saitou
CCHeap Up
40+
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.
MMMMHard Metal
60+
You may do 60 damage plus 40 more damage. If you do, Aggron does 40 damage to itself.
Weakness
FFire+40
Resistance
PPsychic-20
Retreat
CCCC
Plan your Other Mysterious Treasures master set
Track every card, see what you're missing, and lay out your binder page by page.
