Brock's Onix (Gym Heroes) — Pokémon Card Value
Gym HeroesWhat the Brock's Onix from Gym Heroes is worth — TCGPlayer market for the single.
Brock's Onix (Gym Heroes) value — Market $13.76. Prices updated August 2026.
Live on eBay right now
Which version do you have?
For the cheapest way to own Brock's Onix, grab the Standard version priced at $6. The Standard version at $13 offers no tangible difference in the card itself compared to the $6 version. Therefore, unless you specifically want the higher price point for an unknown reason, the $6 Standard is the better purchase for owning the card.
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Price data verified against · 1
Item details
- Brand
- Rare
- Set
- Gym Heroes
- Rarity
- Rare
- Number
- #21
Brock's Onix (Gym Heroes) value
The Brock's Onix from Gym Heroes (#21) has a TCGPlayer market price of $13.76. Rarity: Rare.
What drives the price
For Pokémon singles, set, rarity (holo/full-art/secret), edition (1st vs unlimited), and condition (raw NM vs graded) drive value. 1st-edition holos, full-arts, and graded gem-mint copies command the biggest premiums.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Market | $13.76 | eBay sold comps |
Frequently asked questions
- What is the current market value for Brock's Onix (Gym Heroes)?
- The current market value for this Rare card (#21) from the Gym Heroes set is $12.56.
- Is Brock's Onix a rare find?
- Yes, this specific card is listed as a Rare card within the Gym Heroes set.
- Where can I find this Gym Heroes card?
- You can find this Rare card, #21, in the Gym Heroes set on our resale marketplace.
