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MarketsGym HeroesBrock's Onix

Brock's Onix

#21/132

Gym Heroes · Gym · Released Aug 14, 2000

$15.29

Market price · Raw NM · 1st Ed Normal · as of Aug 26, 2026

Condition and grade

Brock's Onix

1st Ed Normal · English · Illus. Benimaru Itoh

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Card details

Printed number21/132
Set total132 cards
Rarity★
SeriesGym
IllustratorBenimaru Itoh
Market variantfirstEdition
ReleasedAug 14, 2000
Gameplay
TypeFighting
StageBasic
HP70
RetreatColorless, Colorless
WeaknessGrass ×2
Resistance-
Regulation-
National Dex95

Attacks

Bind

20

Fighting, Fighting · Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Tunneling

Fighting, Fighting, Fighting · 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.

Price history: 1st Ed Normal · Raw NM

+$4.39 (40.28%)past year

Price history for Raw NM, 1Y window: from $10.90 on Aug 26, 2025 to $15.29 on Aug 26, 2026, across 160 points.

Free plan shows 1 year of history.Upgrade for deeper history →

1Y

Recent sales

1st Ed Normal

16 sales on record · 1st Ed Normal · latest Jul 30, 2026

No Raw (NM/ungraded) comps found; showing all grades for 1st Ed Normal.
  • Jul 30, 2026$26.00
    PSA 8ebay
    2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 8
  • Jul 21, 2026$85.00
    PSA 9ebay
    PSA 9 Brock's Onix #21 1st Edition Gym Heroes 2000 Pokemon MINT
  • Jul 20, 2026$26.69
    PSA 8ebay
    2000 Pokemon Gym Heroes #21 Brock's Onix 1st Edition PSA 8 NM-MT
  • Jul 6, 2026$42.75
    PSA 8ebay
    2000 Pokemon Gym Heroes BROCK'S ONIX #21 NM-MT 1st Edition Graded PSA 8
  • Jun 13, 2026$26.00
    PSA 7ebay
    2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 7
  • May 27, 2026$33.77
    SGC 9ebay
    Brock’s Onix 21/132 SGC 9 MINT Gym Heroes 1st First Edition Rare WOTC Pokémon
  • Apr 29, 2026$10.00
    CGC 8.5ebay
    Pokémon TCG Brock's Onix Gym Heroes CGC 8.5 1st Edition
  • Apr 7, 2026$40.00
    PSA 8ebay
    2000 Pokémon Gym Heroes Brock's Onix #21 PSA 8 1st Edition
  • Mar 30, 2026$285.00
    PSA 10ebay
    2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 10
  • Mar 15, 2026$405.00
    PSA 10ebay
    Pokemon Brock's Onix Gym Heroes 1st Edition Rare #21 PSA 10 Gem Mint
GradeMarketplaceListing
Jul 30, 2026$26.00PSA 8ebay2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 8
Jul 21, 2026$85.00PSA 9ebayPSA 9 Brock's Onix #21 1st Edition Gym Heroes 2000 Pokemon MINT
Jul 20, 2026$26.69PSA 8ebay2000 Pokemon Gym Heroes #21 Brock's Onix 1st Edition PSA 8 NM-MT
Jul 6, 2026$42.75PSA 8ebay2000 Pokemon Gym Heroes BROCK'S ONIX #21 NM-MT 1st Edition Graded PSA 8
Jun 13, 2026$26.00PSA 7ebay2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 7
May 27, 2026$33.77SGC 9ebayBrock’s Onix 21/132 SGC 9 MINT Gym Heroes 1st First Edition Rare WOTC Pokémon
Apr 29, 2026$10.00CGC 8.5ebayPokémon TCG Brock's Onix Gym Heroes CGC 8.5 1st Edition
Apr 7, 2026$40.00PSA 8ebay2000 Pokémon Gym Heroes Brock's Onix #21 PSA 8 1st Edition
Mar 30, 2026$285.00PSA 10ebay2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 10
Mar 15, 2026$405.00PSA 10ebayPokemon Brock's Onix Gym Heroes 1st Edition Rare #21 PSA 10 Gem Mint

Showing 1-10 of 16 sales

Rows
Page 1 of 2

Past performance is not indicative of future results.

$15.82$14.00$12.19$10.37Aug '25Nov '25Feb '26May '26Aug '26

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