
Brock's Onix (21)'s Near Mint price is up 33.2% ($2.91) over the past 30 days.
Fresh· Updated Nov 3, 2026
Card Details
TypePokémon — Basic
P/T70 HP
ArtistBenimaru Itoh
Weaknessand
Resistancefor
Card TextBind: 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.
inkwell Fair Value™?· NM
$11.68
single source
$11.63$11.73
Condition?
Confidencemedium
Prices as ofNov 3
Normal—
Cheapest printing—
Why This Price
inkwell Estimate
Fair Value$11.68
Movement
7D Change+3.5% (+$0.39)
30D Change+33.2% (+$2.91)
Freshness
Prices as ofNov 3
Update cadenceDaily
Inkwell Fair Value$11.68
Buy this card Affiliate link — inkwell may earn a commission. Learn more
More from Gym Heroes
See all cards →- How much is Brock's Onix (21) worth?
- The current Near Mint price for Brock's Onix (21) from Gym Heroes (Pokémon TCG) is $11.68. It has increased 3.5% over the past 7 days.
- What set is Brock's Onix (21) from?
- Brock's Onix (21) is from the Gym Heroes set, released October 2000. It is a Rare in Pokémon TCG.
- What rarity is Brock's Onix (21)?
- Brock's Onix (21) is a Rare card from Gym Heroes in Pokémon TCG.
- How has the price of Brock's Onix (21) changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Brock's Onix (21) has risen 33.2% ($2.91) to $11.68.




