Brock's Onix #21 · Foil
G1
Gym Heroes
EN
Foil
Details
Brock's Onix
Foil
Bind — 20
{Fighting}{Fighting}. Flip a coin. If heads, the Defending Pokémon is now Paralyzed.
Tunneling
{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.
HP: 70, Retreat: 2, Weakness: Grass ×2.
Set Name
Gym Heroes
Set Code
G1
Set Series
Gym
Card Number
21
Language
EN
Variant
Foil
Rarity
Rare
Colour
Fighting
Play Cost
70
Card Type
Fighting
Card abilities
Pokémon, Basic, Lv.30
Illustrator
Benimaru Itoh
Release Date
14 Aug 2000
Character
Onix
TCGPlayer ID
83974
Pokemontcg ID
gym1
Tcgdex ID
gym1
Barcode
3876027021147
Larrikin Market Pricing
To understand its value, here's an international market summary. It seems to be selling around $15.69 – $26.15.
$15.69 – $26.15
View a source's price:
Market confidence
Low
Volume
High
Updated
14 Sep 2026
Gym Heroes
Pokemon · EN · G1
| # | Name | Variants |
|---|---|---|
| 1 | Blaine's Moltres | |
| 10 | Misty's Tentacruel | |
| 100 | Erika | |
| 101 | Lt. Surge | |
| 102 | Misty | |
| 103 | No Removal Gym | |
| 104 | The Rocket's Training Gym | |
| 105 | Blaine's Last Resort | |
| 106 | Brock's Training Method | |
| 107 | Celadon City Gym | |
| 108 | Cerulean City Gym | |
| 109 | Erika's Maids | |
| 11 | Rocket's Hitmonchan | |
| 110 | Erika's Perfume | |
| 111 | Good Manners | |
| 112 | Lt. Surge's Treaty | |
| 113 | Minion of Team Rocket | |
| 114 | Misty's Wrath | |
| 115 | Pewter City Gym | |
| 116 | Recall | |
| 117 | Sabrina's ESP | |
| 118 | Secret Mission | |
| 119 | Tickling Machine | |
| 12 | Rocket's Moltres | |
| 120 | Vermilion City Gym | |
| 121 | Blaine's Gamble | |
| 122 | Energy Flow | |
| 123 | Misty's Duel | |
| 124 | Narrow Gym | |
| 125 | Sabrina's Gaze | |
| 126 | Trash Exchange | |
| 127 | Fighting Energy | |
| 128 | Fire Energy | |
| 129 | Grass Energy | |
| 13 | Rocket's Scyther | |
| 130 | Lightning Energy | |
| 131 | Psychic Energy | |
| 132 | Water Energy | |
| 14 | Sabrina's Gengar | |
| 15 | Brock | |
| 16 | Erika | |
| 17 | Lt. Surge | |
| 18 | Misty | |
| 19 | The Rocket's Trap | |
| 2 | Brock's Rhydon | |
| 20 | Brock's Golem | |
| 21 | Brock's Onix | |
| 22 | Brock's Rhyhorn | |
| 23 | Brock's Sandslash | |
| 24 | Brock's Zubat | |
| 25 | Erika's Clefairy | |
| 26 | Erika's Victreebel | |
| 27 | Lt. Surge's Electabuzz | |
| 28 | Lt. Surge's Raichu | |
| 29 | Misty's Cloyster | |
| 3 | Erika's Clefable | |
| 30 | Misty's Goldeen | |
| 31 | Misty's Poliwrath | |
| 32 | Misty's Tentacool | |
| 33 | Rocket's Snorlax | |
| 34 | Sabrina's Venomoth | |
| 35 | Blaine's Growlithe | |
| 36 | Blaine's Kangaskhan | |
| 37 | Blaine's Magmar | |
| 38 | Brock's Geodude | |
| 39 | Brock's Golbat | |
| 4 | Erika's Dragonair | |
| 40 | Brock's Graveler | |
| 41 | Brock's Lickitung | |
| 42 | Erika's Dratini | |
| 43 | Erika's Exeggcute | |
| 44 | Erika's Exeggutor | |
| 45 | Erika's Gloom | |
| 46 | Erika's Gloom | |
| 47 | Erika's Oddish | |
| 48 | Erika's Weepinbell | |
| 49 | Erika's Weepinbell | |
| 5 | Erika's Vileplume | |
| 50 | Lt. Surge's Magnemite | |
| 51 | Lt. Surge's Raticate | |
| 52 | Lt. Surge's Spearow | |
| 53 | Misty's Poliwhirl | |
| 54 | Misty's Psyduck | |
| 55 | Misty's Seaking | |
| 56 | Misty's Starmie | |
| 57 | Misty's Tentacool | |
| 58 | Sabrina's Haunter | |
| 59 | Sabrina's Jynx | |
| 6 | Lt. Surge's Electabuzz | |
| 60 | Sabrina's Slowbro | |
| 61 | Blaine's Charmander | |
| 62 | Blaine's Growlithe | |
| 63 | Blaine's Ponyta | |
| 64 | Blaine's Tauros | |
| 65 | Blaine's Vulpix | |
| 66 | Brock's Geodude | |
| 67 | Brock's Mankey | |
| 68 | Brock's Mankey | |
| 69 | Brock's Onix | |
| 7 | Lt. Surge's Fearow | |
| 70 | Brock's Rhyhorn | |
| 71 | Brock's Sandshrew | |
| 72 | Brock's Sandshrew | |
| 73 | Brock's Vulpix | |
| 74 | Brock's Zubat | |
| 75 | Erika's Bellsprout | |
| 76 | Erika's Bellsprout | |
| 77 | Erika's Exeggcute | |
| 78 | Erika's Oddish | |
| 79 | Erika's Tangela | |
| 8 | Lt. Surge's Magneton | |
| 80 | Lt. Surge's Magnemite | |
| 81 | Lt. Surge's Pikachu | |
| 82 | Lt. Surge's Rattata | |
| 83 | Lt. Surge's Spearow | |
| 84 | Lt. Surge's Voltorb | |
| 85 | Misty's Goldeen | |
| 86 | Misty's Horsea | |
| 87 | Misty's Poliwag | |
| 88 | Misty's Seel | |
| 89 | Misty's Shellder | |
| 9 | Misty's Seadra | |
| 90 | Misty's Staryu | |
| 91 | Sabrina's Abra | |
| 92 | Sabrina's Drowzee | |
| 93 | Sabrina's Gastly | |
| 94 | Sabrina's Mr. Mime | |
| 95 | Sabrina's Slowpoke | |
| 96 | Sabrina's Venonat | |
| 97 | Blaine's Quiz #1 | |
| 98 | Brock | |
| 99 | Charity |
Currently out of stock
Price
Price unavailable
Larrikin Market Pricing
Selling around $15.69 – $26.15.
$15.69 – $26.15
Sources:
Market confidence
Low
Volume
High
Updated
14 Sep 2026
Looking to trade or sell this card?
We are always interested in great cards. Bring it in or contact the store to chat.