Hitoshi Ariga · pokemontcg.io

Pokémon Cards

Onix

Unified Minds 103/236 • common

Set: Unified Minds
Number: 103/236
Rarity: Common
Released: 2019
Energy type: Fighting
Market price: $0.23

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$0.23est. via TCGplayer

Market

What it's worth

$0.23market price via TCGplayer · Aug 6, 2026$0.18 – $0.23 over the tracked period

$0.23Aug 6, 2026

Estimate for a typical copy of Onix; condition, printing, and grading move the real number.

Lore

Why it matters

Onix first appeared as one of the original 151 Pokémon, becoming iconic for its imposing rock-snake design and its role as Brock’s signature partner in the early games. This Fighting-type version from the Unified Minds set reflects the card game's ongoing tradition of revisiting classic characters in modern expansions, making it a nostalgic staple for long-time fans and collectors.

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Card face

What it does

110 HPBasic

Cost: fighting energyBedrock Press20

During your opponent's next turn, this Pokémon takes 20 less damage from attacks (after applying Weakness and Resistance).

Weaknessgrass energy×2Retreatcolorless energy colorless energy colorless energy colorless energy

Burrows at high speed in search of food. The tunnels it leaves are used as homes by Diglett.

Card text © Pokémon / Nintendo / Creatures / GAME FREAK, via pokemontcg.io. Not produced by or endorsed by The Pokémon Company.

Formats

Where you can play it

Tournament legality for Onix across the formats players actually play.

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UnlimitedLegal

Card text © Pokémon / Nintendo / Creatures / GAME FREAK, via pokemontcg.io. Not produced by or endorsed by The Pokémon Company.

Reflects the last catalogue refresh, not a live ruling.

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Where to find one

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Provenance

Where it came from

The Onix card numbered 103/236 was released as part of the Pokémon Trading Card Game expansion titled Unified Minds, which debuted in August 2019. This set was designed to emphasize the synergy between Tag Team GX Pokémon, reflecting the game's broader mechanical shift toward high-stakes, collaborative card play. Within this competitive landscape, the card serves as a foundational common-rarity fighting type, meant to provide players with a standard defensive option that fits into the set's broader elemental theme.

The illustration is credited to artist Kouki Saitou, who has contributed extensively to the Pokémon TCG aesthetic over many years. Saitou’s approach to this particular Onix captures the rock snake Pokémon in a dynamic, coiled posture that highlights its segmented, tectonic-like anatomy. Like most cards in the Sun & Moon era, the design prioritizes clean lines and high-contrast digital coloring, which became the hallmark of the series' transition into more stylized and accessible card artwork for a global audience.

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Other printings

Every version of this card

The same card, printed again — different sets, treatments, and prices.

Collectors

Who's collecting this

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About

About Onix

Onix is a card in the Pokémon Cards catalog on collecto.rs. Unified Minds 103/236 • common. Catalog data is sourced from pokemontcg.io. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.

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Where does the Onix catalog entry come from?

The catalog entry for Onix is sourced from pokemontcg.io. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.