The 10 Most Valuable Onix Cards

Onix appears on 30 cards across 28 sets. Here are the ten most valuable by current TCGplayer market price, led by Onix from Legendary Collection at around $133. Prices move constantly, so treat this as a live snapshot.

Prices as of 2026/08/16.

1

Onix$133

Legendary Collection · 2002 · Common · Ken Sugimori

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2

Onix$75.00

Aquapolis · 2003 · Common · Hajime Kusajima

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3

Onix$53.07

Southern Islands · 2001 · Keiko Fukuyama

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4

Onix$52.00

Unseen Forces · 2005 · Common · Yukiko Baba

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5

Onix$39.99

Team Rocket Returns · 2004 · Common · Atsuko Nishida

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6

Onix$21.43

FireRed & LeafGreen · 2004 · Uncommon · Kouki Saitou

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7

Onix$21.06

Sandstorm · 2003 · Common · Midori Harada

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8

Brock's Onix$14.51

Gym Heroes · 2000 · Rare · Benimaru Itoh

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9

Onix$10.00

Diamond & Pearl · 2007 · Common · Ken Sugimori

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10

Onix$9.33

McDonald's Collection 2019 · 2019 · Mitsuhiro Arita

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