Gym Heroes
#21 · 2000 · 132 cards
Brock's Onix #21 from Gym Heroes is worth $13.76 in Near Mint condition (updated August 10, 2026). A PSA 10 copy sells for $314.68.
Market Price · Near Mint · Updated August 10, 2026
→ Stable$13.56
Tracked Low
$13.76
Aug 2026
Prices updated Aug 10, 2026
$13.56
Recent market data · NM
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Live listings · Sorted by price
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HP
70
Type
Pokémon
Stage
Basic
Attacks
Bind
20
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Tunneling
If your opponent has any Benched Pokémon, choose up to 2 of them. This attack does 20 damage to each of them. (Don't apply Weakness and Resistance for Benched Pokémon.) Brock's Onix can't attack during your next turn.
Weakness
Retreat Cost
Illustrated by
Benimaru Itoh
Pokédex
#95
Brock's Onix #21 from Gym Heroes has a market price of $13.76 in Near Mint condition, last updated August 10, 2026. Prices refresh daily from live marketplace data.
A PSA 10 (Gem Mint) copy of Brock's Onix #21 sells for $314.68.
Brock's Onix is down 1.9% over the last 14 days, and up 5.4% over 6 months.
Set Rank · Gym Heroes
Ungraded + PSA / CGC / BGS grades
| Condition | Market | eBay |
|---|---|---|
| Near MintMost common | $13.76 | $9.99 |
| Lightly Played | $10.66 | — |
| Moderately Played | $8.54 | — |
| Heavily Played | $6.36 | — |
| Damaged | $4.99 | — |
Graded Prices
| Grade | PSA | CGC | BGS | vs Raw |
|---|---|---|---|---|
| ★ 10 | $314.68 | $70.29 | — | +2187% |
| 9 | $73.93 | $9.93 | $15.00 | +437% |
| 8 | $12.99 | — | — | -6% |
| 7 | $23.80 | $18.00 | — | +73% |
Live market prices · ~ estimated using standard condition discounts
| Condition | Market | vs NM | eBay Sold |
|---|---|---|---|
Near Mint | $13.76 | base | $9.99 |
Lightly Played | $10.66 | -23% | — |
Moderately Played | $8.54 | -38% | — |
Heavily Played | $6.36 | -54% | — |
Damaged | $4.99 | -64% | — |
~ estimated from NM using standard condition discounts · updated when marketplace data is available
Brock's Mudkip
ADV Promos
Brock's Scouting
Battle Partners
+8.8%14d
Brock's Scouting
Battle Partners
0.0%14d
Brock's Dugtrio
Challenge from the Darkness
Brock's Grit
Evolutions
-1.5%14d
Brock's Grit
Evolutions
+40.0%14d
Brock's Grit
Expansion Pack 20th Anniversary
Brock's Grit
Expansion Pack 20th Anniversary
0.0%14d
Brock's Vulpix
Gym Challenge
-1.1%14d
Brock's Diglett
Gym Challenge
+1.7%14d
Tap a grade to see its price history
Ungraded
$13.76
NM raw
