Card image & details: TCGdex
Brock's Onix
- Set
- Gym Heroes
- Card number
- 21 / 132
- Rarity
- Rare
- Artist
- Benimaru Itoh
- Release date
- Aug 14, 2000
- Series
- Gym
- Pokémon featured
- Onix
Market
Updated Oct 12, 2026Marketplace prices via TCGdex. Movement uses daily snapshots when available, otherwise the provider's rolling averages.
Price history
First snapshot recorded Oct 31, 2026 at $17.21. A new snapshot is captured each day, so the trend line appears within a few days.
Reconstructed from 7- and 30-day price changes reported by the market provider
Card details
Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
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.
Prices by source & variant
Each printing variant is priced separately.
Brock's Onix on eBayeBay
Brock's Onix 69/132 Common Gym Heroes Pokemon Unlimited Lightly Played
Brock's Onix 21/132 Gym Heroes Rare 1999 Pokemon Card 70 HP Unlimited
Brock's Onix Gym Heroes 69/132 Unlimited MP Pokemon 2000
Pokémon TCG Brock's Onix Card 21/132 Unlimited Rare HP Gym Heroes 2000
Brock's Onix (69) 69/132 1st Edition Common Gym Heroes LP Pokemon
Pokemon Gym Heroes Rare Brock's Onix 21/132 - LP Actual Card
BROCK'S ONIX 2000 Pokemon Gym Heroes 1st Edition #69 - LP/NM
BROCK'S ONIX 2000 Pokemon Gym Heroes 1st Edition #69 - NM
Brock's Onix (21) 21/132 1st Edition Rare Gym Heroes LP Pokemon
Brock's Onix 21/132 Gym Heroes Rare Pokemon Card
Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Lightly Played
Pokemon Brock's Onix 21/132 Gym Heroes Rare Unlimited WOTC 2000 LP