Brock's Onix #21/132
Pokemon card from Gym Heroes · released 2000-08-14
Brock's Onix is a Rare Holo Fighting-type Basic Pokemon card, number 21/132 of the Gym Heroes set (released 2000-08-14), illustrated by Benimaru Itoh. Its highest TCGplayer market price is ~$12.56 for the 1st Edition finish, updated 2026-06-14.
Prices by finish
| Finish | Market price | Low | Mid | Buy |
|---|---|---|---|---|
| 1st Edition | $12.56 | $8.66 | $19.99 | TCGplayer ↗ |
| Unlimited | $8.57 | $7.68 | $8.43 | TCGplayer ↗ |
TCGplayer market prices per finish, updated 2026-06-14 — not appraisals. Condition and grading change real-world value.
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Card details
| Set | Gym Heroes |
| Number | 21/132 |
| Rarity | Rare Holo |
| Type | Fighting |
| HP | 70 |
| Stage | Basic |
| Artist | Benimaru Itoh |
| Format legality | Not legal in Standard or Expanded |
| Finishes | 1st Edition · Unlimited |
Attacks & abilities
Bind20Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Tunneling20If 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: Grass ×2 · Retreat cost: 2
Other Brock's Onix printings
More Gym Heroes cards
All Onix cards · Gym Heroes price list
Card data via TCGdex and pokemontcg.io, updated 2026-06-14; prices via TCGplayer via TCGCSV, updated 2026-06-14. Not official values.