Cards › Gym Heroes › Brock's Onix

Brock's Onix · 21/132 · Gym Heroes

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Brock's Onix 21/132 card from Gym Heroes

Brock's Onix (21/132) is a Rare card from Gym Heroes, in the WotC Era series, illustrated by Benimaru Itoh. As of 8 November 2026, its Cardmarket trend is €9.61 and the cheapest listing is €1.98; on TCGplayer its market price is $11.65. Its trend is down 0.1% in 7 days. It is the #37 most expensive of the 132 priced cards in the set. There are 37 Onix cards in the catalogue.

Price by finish

FinishCardmarket · trendCardmarket · fromTCGplayer
Regular€9.61€1.98$11.65
Reverse holo€2.23——

Details

Set
Gym Heroes
Number
21/132
Rarity
Rare
Illustrator
Benimaru Itoh
Pokémon
Onix
PS
70

More Onix cards

CardSetRarityCardmarket
Onix 3Southern Islands€52.05
Onix - 2006 (Hiroki Yano) 69World Championship Decks 2006Common€15.90
Onix 10Trading Card Game ClassicClassic Collection€4.75
Onix 84Legendary CollectionCommon€4.43
Onix 98AquapolisCommon€3.40
Onix 42FireRed & LeafGreenUncommon€2.97
Onix-GX 36Hidden FatesDouble Rare€2.63
Onix 9McDonald's Collection 2019Promo€2.45
Onix 65Unseen ForcesCommon€1.92
Brock's Onix 69Gym HeroesCommon€1.79
Onix 69Neo GenesisCommon€1.42
OnixMcDonald's Collection 2019 FRPromo€1.37

All 37 Onix cards

How this page is made: euro prices are the trend published by Cardmarket and dollar prices are TCGplayer market price; they refresh every night. They are reference prices from third-party stores, not an offer. Prism is a free, unofficial app for collecting Pokémon cards.