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Brock's Onix

Gym Heroes
Brock's Onix

Brock's Onix

Gym Heroes•#21•Pokemon
Market
$10.99
$7.69 ↔ $12.62
PSA 10
$209
+1798%
PSA 9
$22.11
+101%
Odds1 in 34
Cost to Pull$10,211
Sold0.9/day • 6/wk
$10.99+$2.41 (+28.1%)
Jul 31 '26Aug 30 '26
Last updated: Aug 30, 2026 11:05 PM

Grade 10 · Profit / Loss

PSA 10
$209
+$173 P&L
$24.99 fee · ~95d
BGS 10
$271
+$242 P&L
$17.95 fee · ~75d
CGC 10
$12.50
$-15.49 P&L
$17 fee · ~150d
TAG 10
$188
+$155 P&L
$22 fee · ~45d
ACE 10
$146
+$125 P&L
$10 fee · ~25d
SGC 10
$125
+$99.01 P&L
$15 fee · ~75d

Pop Report

Buy Signal

35/100Sell
Fundamentals
Not enough data
Timing
15/100
Pricing
99/100
Gradeability
47/100

Shop

20
View all
Pokemon Card - Gym Heroes 21/132 - BROCK'S ONIX (rare) - NM/Mint
Market $10.99
$7.25
Brock's Onix - Gym Heroes Unlimited - Rare 21/132 - NM
Market $10.99
$7.50
Pokemon TCG Brock's Onix Gym Heroes 21/132 NM
Market $10.99
$8.00
Pokemon Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint
Market $10.99
$8.00
Brock's Onix 21/132 Unlimited Rare Gym Heroes Pokemon NM
Market $10.99
$8.50
Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint
Market $10.99
$8.72
Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint
Market $10.99
$8.99
Brock's Onix (21) Rare Gym Heroes 021/132 NM
Market $10.99
$9.31
Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint
Market $10.99
$9.79
Pokémon Brock's Onix 21 Unlimited Gym Heroes 021/132 2000 NM
Market $10.99
$9.99
2002 Pokemon Gym Heroes Set Brock's Onix 21 /132 Nintendo Base card
Market $10.99
$10.00
Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint
Market $10.99
$10.99
Wizards Pokémon TCG Brock's Onix Rare Gym Heroes Unlimited 21/132 1999 Eng NM
Market $10.99
$11.00
Pokemon tcg Gym Heroes Brock's Onix (21) #021/132
Market $10.99
$11.21
Pokémon Brock's Onix #21/132 Non-Holo Rare - 2000 Unlimited Gym Heroes Set - NM!
Market $10.99
$11.95
NM Near Mint Pokémon Brock's Onix Pokemon Gym Heroes 21/132 Rare Card TCG
Market $10.99
$11.99
Brock's Onix 21/132 Gym Heroes Set Pokemon Card - Near Mint
Market $10.99
$12.18
Brock's Onix (21) 021/132 Gym Heroes NM
Market $10.99
$12.22
Brock's Onix (21) Rare Gym Heroes G1 Fighting Unlimited 021/132 2000 NM
Market $10.99
$12.60
Brock's Onix 21/132 Gym Heroes - Rare Pokemon Card - NM
Market $10.99
$13.46

Prices from eBay. Tap a listing for details.

Where to Pull

4
View all

Chance of pulling at least one copy from each sealed product

Gym Heroes Booster Box [1st Edition]
+$434
Booster Box

Gym Heroes Booster Box [1st Edition]

Gym Heroes

Market$26,494
Pull Probability65.3%
Gym Heroes Booster Box [Unlimited Edition]
+$229
Booster Box

Gym Heroes Booster Box [Unlimited Edition]

Gym Heroes

Market$18,987
Pull Probability65.3%
Booster Pack [1st Edition]
+$10.76
Booster Pack

Booster Pack [1st Edition]

Gym Heroes

Market$517
Pull Probability2.9%
Gym Heroes Booster Pack
-$20.82
Booster Pack

Gym Heroes Booster Pack

Gym Heroes

Market$296
Pull Probability2.9%

More Brock's Cards

Other versions of this character

48+
Signal
Brock's Onix
+$0.89

Brock's Onix

Gym Heroes · 69

Market
$2.79
PSA 10+2.8k%
$82.15
Brock's Training Method
+$0.40

Brock's Training Method

Gym Heroes · 106

Market
$2.49
PSA 10+5.0k%
$127
Brock's Onix [1st Edition]
+$9.55

Brock's Onix [1st Edition]

Gym Heroes [1st Edition] · 21

Market
$24.97
PSA 10+1.5k%
$405
Onix [Reverse Holo]
+$9.96

Onix [Reverse Holo]

Legendary Collection · 84

Market
$110
PSA 10+2.4k%
$2,738
Onix [Reverse Holo]
+$12.42

Onix [Reverse Holo]

Aquapolis · 98

Market
$62.30
PSA 10+7.7k%
$4,850
Onix [Reverse Holo]
+$4.14

Onix [Reverse Holo]

Team Rocket Returns · 69

Market
$43.72
PSA 10+3.5k%
$1,581
Onix
-$0.05

Onix

Southern Islands · 3

Market
$34.95
PSA 10+962%
$371
Onix [1st Edition]
+$10.51

Onix [1st Edition]

Base [1st Edition] · 56

Market
$29.99
PSA 10+2.6k%
$822
Onix [Reverse Holo]
-$1.64

Onix [Reverse Holo]

Unseen Forces · 65

Market
$27.09
PSA 10+3.5k%
$965
Onix [Reverse Holo]
-$0.96

Onix [Reverse Holo]

Sandstorm · 71

Market
$14.04
PSA 10+4.4k%
$635
Onix

Onix

Pokémon Card 151 · 95

Market
$13.62
PSA 10+115%
$29.32
Onix [1st Edition]
+$0.04

Onix [1st Edition]

Wind from the Sea · 56

Market
$10.43
PSA 10+1.2k%
$140
Onix
+$1.61

Onix

Aquapolis · 98

Market
$8.50
PSA 10+3.0k%
$264
Onix

Onix

Expansion Pack · 54

Market
$8.36
PSA 10+402%
$42.00
Brock's Onix [1st Edition]
+$0.99

Brock's Onix [1st Edition]

Gym Heroes [1st Edition] · 69

Market
$7.99
PSA 10+7.5k%
$607
Computer Error
+$1.71

Computer Error

Wizards Black Star Promos · 16

Market
$7.70
PSA 10+1.8k%
$150
Onix
-$0.29

Onix

Pokémon TCG Classic (Venusaur) · 10

Market
$7.14
PSA 10+572%
$47.99
Onix
+$0.98

Onix

Wind from the Sea · 56

Market
$7.04
PSA 10+1.3k%
$98.00
Onix

Onix

Southern Islands JP · 12

Market
$6.28
PSA 10+1.3k%
$91.00
Onix
+$1.39

Onix

McDonald's Collection 2019 · 9

Market
$5.97
PSA 10+844%
$56.38
Onix [1st Edition]

Onix [1st Edition]

Rocket Gang Strikes Back · 46

Market
$5.41
PSA 10+450%
$29.76
Onix [Shadowless]
+$1.85

Onix [Shadowless]

Base [Shadowless] · 56

Market
$4.99
PSA 10+3.5k%
$181
Brock's Training Method [1st Edition]
+$1.40

Brock's Training Method [1st Edition]

Gym Heroes [1st Edition] · 106

Market
$4.99
PSA 10+1.6k%
$86.00
Onix [1st Edition]

Onix [1st Edition]

Intense Fight in the Destroyed Sky · 53

Market
$4.99
PSA 10+2.4k%
$124
Onix [1st Edition]
+$0.91

Onix [1st Edition]

Neo Genesis [1st Edition] · 69

Market
$4.95
PSA 10+2.7k%
$138
Onix
+$1.64

Onix

FireRed & LeafGreen · 42

Market
$4.87
PSA 10+3.2k%
$161
Onix [Reverse Holo]
+$1.93

Onix [Reverse Holo]

Plasma Freeze · 61

Market
$4.69
PSA 10+811%
$42.73
Onix [1st Edition]

Onix [1st Edition]

Magma vs Aqua: Two Ambitions · 49

Market
$4.49
PSA 10+450%
$24.70
Onix [Reverse Holo]
+$1.30

Onix [Reverse Holo]

Lost Thunder · 109

Market
$4.11
PSA 10+927%
$42.20
Onix [1st Edition]

Onix [1st Edition]

Reviving Legends · 30

Market
$3.99
PSA 10+2.1k%
$88.00
Onix-GX
+$0.68

Onix-GX

Hidden Fates · 36

Market
$3.79
PSA 10+1.7k%
$69.01
Onix [1st Edition]
-$1.25

Onix [1st Edition]

Flight of Legends · 61

Market
$3.74
PSA 10+450%
$20.57
Onix
-$0.05

Onix

Reviving Legends · 30

Market
$3.72
PSA 10+2.1k%
$82.27
Onix [Reverse Holo]
+$0.09

Onix [Reverse Holo]

HS—Unleashed · 56

Market
$3.72
PSA 10+2.2k%
$86.37
Onix
-$0.06

Onix

Magma vs Aqua: Two Ambitions · 49

Market
$3.69
PSA 10+1.7k%
$68.00
Onix

Onix

Space-Time Creation · 68

Market
$3.59
PSA 10+450%
$19.74
Onix [Reverse Holo]
+$0.13

Onix [Reverse Holo]

HS—Unleashed · 57

Market
$3.50
PSA 10+1.5k%
$56.00
Brock's Onix
-$0.10

Brock's Onix

Nivi City Gym Deck · 48

Market
$3.29
PSA 10+450%
$18.10
Brock's Onix
-$0.10

Brock's Onix

Nivi City Gym Deck · 41

Market
$3.29
PSA 10+450%
$18.10
Onix
+$0.01

Onix

Rocket Gang Strikes Back · 46

Market
$3.28
PSA 10+3.6k%
$121
Onix [1st Edition]
+$0.08

Onix [1st Edition]

Golden Sky, Silvery Ocean · 69

Market
$3.09
PSA 10+450%
$16.99
Onix
-$0.03

Onix

Golden Sky, Silvery Ocean · 69

Market
$2.92
PSA 10+4.7k%
$140
Onix

Onix

Intense Fight in the Destroyed Sky · 53

Market
$2.74
PSA 10+450%
$15.07
Onix
-$0.36

Onix

Spiral Force · 30

Market
$2.68
PSA 10+890%
$26.53
Onix
-$0.28

Onix

Gold, Silver, to a New World... · 50

Market
$2.62
PSA 10+450%
$14.41
Onix
+$0.03

Onix

Flight of Legends · 61

Market
$2.53
PSA 10+4.0k%
$104
Onix
+$0.84

Onix

Team Rocket Returns · 69

Market
$2.50
PSA 10+4.8k%
$123
Onix
+$0.54

Onix

Neo Genesis · 69

Market
$2.49
PSA 10+1.3k%
$34.22