Gym Heroes · Rare · All 132 cards →
Brock's Onix #21/132
Unlimited market price
Updated Sep 5
$8.84— 0.0%24H▲ 0.57%30D
Brock's Onix #021/132 Gym Heroes price history
Lowest
$6.83
Nov 4, 2025
Highest
$9.09
Aug 30, 2026
Tracked
303 days
since Nov 4, 2025
Brock's Onix #021/132 card details
HP70
StageBasic
Type
Fighting
Weakness
×2
Retreat2
Attacks
Bind
20
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Tunneling
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.
Card facts
IllustratorBenimaru Itoh
National Pokedex#95
ReleasedAugust 14, 2000
Cards in set132
SeriesGym
LegalityUnlimited
More from Gym Heroes
Brock's Onix #021/132 is one of 132 cards in Gym Heroes, released August 14, 2000. Browse the rest of the set, see what the chase cards are worth, or shop sealed product.
More Onix cards
All 30 Onix cards →Onix appears on 30 English cards across 28 sets. The most valuable is Onix (Reverse) at $149.16.
