Gym Heroes · 2000
Brock's Onix 21/132
$17.21
TCGplayer market price for a near-mint, ungraded Brock's Onix from Gym Heroes, as of October 14, 2026.
- Rarity
- Rare
- Number
- 21/132
- Illustrator
- Benimaru Itoh
Brock's Onix price history
Hyper Rare records this card’s market price each time it updates (first recorded October 14, 2026). The chart and 7, 30 and 90-day changes appear here as the history builds. The Hyper Rare app shows longer price history for any card you scan.
| Printing | Market price |
|---|---|
| 1st Edition | $17.21 |
| Unlimited | $11.08 |
What’s it worth in a trade?
At $17.21, Brock's Onix trades about even with:
-
Arctibax
$17.20
-
Bulbasaur
$17.19
-
Brute Bonnet
$17.32
-
Escavalier
$17.11
Trading for Brock's Onix?
Check the deal before you swap.
Add what you’re giving and the free trade calculator tells you if it’s fair. Scan cards and track your collection’s value in the Hyper Rare app.
Other Onix cards
-
Brock's Onix
$8.28
-
Onix
$62.65
- No image
Onix
$9.73
-
Onix
$8.23
-
Onix
$3.48
-
Onix
$2.83
-
Onix GX
$2.59
-
Onix
$1.20
-
Onix
$1.08
-
Onix
$1.06
-
Onix
$0.93
-
Onix
$0.88
Showing the 12 most valuable of 29.
How much is Brock's Onix 21/132 from Gym Heroes worth?
Brock's Onix (21/132) from Gym Heroes has a TCGplayer market price of $17.21 for a near-mint, ungraded copy as of October 14, 2026. By printing: 1st Edition $17.21 and Unlimited $11.08.
What is Brock's Onix 21/132 worth in a trade?
At $17.21, it trades about even with Arctibax (Paldea Evolved, $17.20), Bulbasaur (Mega Evolution, $17.19), Brute Bonnet (Paradox Rift, $17.32), and Escavalier (Black Bolt, $17.11).
How many Onix cards are there?
Hyper Rare tracks 30 priced Onix cards. The most valuable other one is Onix from Southern Islands at $62.65.