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TCG / Cards

Gym Heroes

Brock's Onix

Gym Heroes #21

Set

Gym Heroes

Number

21

Supertype

Pokémon

Subtypes

Basic

Rarity

Rare

HP

70

Regulation Mark

None

Types

Fighting

Retreat Cost

ColorlessColorless

Weaknesses

Grass×2

Bind

FightingFighting
20

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

Tunneling

FightingFightingFighting

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.

unlimited: Legal
Brock's Onix
Gym Heroes set image

Graded Prices

PSA 10

$285

1st Edition / eBay / updated Mar 31, 2026

PSA 9

$74.00

1st Edition / eBay / updated Jul 21, 2026

CGC 10

$90.00

1st Edition / eBay / updated Jan 4, 2026

CGC 9

$15.00

1st Edition / eBay / updated May 22, 2025

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