01Card Stats

Basic

HP 70

TypeFighting

RarityRare

IllustratorBenimaru Itoh

WeaknessGrass ×2

Retreat●●

SetGym Heroes

Released2000

02Editions and Print Runs

Printed in the WotC era when 1st Edition and Unlimited distinctions still applied.

1st Edition

How to spot it: 1st Edition stamp in the bottom-left of the artwork frame.

First print window; smaller run than Unlimited.

Unlimited

How to spot it: No 1st Edition stamp; standard print frame.

Most common version of this card.

04Variants and Foiling

Rarity tiers: Rare
Foiling: Non-holo standard finish.
Alt art / specials: No full-art, secret rare, or alternate-art version documented for this print.

05Language and Regional Versions

English: Standard English release.
Japanese: Released in the equivalent Japanese set.
European: Localized European prints exist with translated text.
Other: No documented language-exclusive errors or major regional variants.

06Current Market Value

Non Holo	~$13 TCGplayer market (asking-price proxy); eBay solds may differ — verify current listings.

TCGplayer market is an asking-price proxy and can run above realized eBay sold prices; verify against recent solds before buying or selling.

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07Why Collectors Want It

Original WotC-era printing from the Gym Heroes set — foundational vintage Onix.
Single-stage Rock Snake Pokemon (evolves into Steelix in later gens), with Base Set-era roots.
Required for any complete Onix master set across eras.
Collectors of the Gym Heroes set need this card to finish it.

08Competitive Playability

Tier: None

Basic Onix with 70 HP; top attack around 20 damage. Functions as an evolution-chain piece rather than a tournament attacker.

09Card Moves and Abilities

Bind Cost: Fighting + Fighting · 20 damage

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

Tunneling Cost: 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.

Weakness: Grass ×2
Retreat cost: 2

10Grading and Population

PSA 10 estimate: WotC-era Onix PSA 10 populations vary; small numbers across most sets.

Graded copies command notable premiums over raw, especially for 1st Edition prints.

Other graders: BGS and CGC also grade vintage Pokemon; PSA dominates secondary-market liquidity.

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