Brock's Onix
Gym Heroes · #21
Rarity
Rare Holo
API ID: gym1-21
Access this card via API: GET /api/cards/gym1-21
Market Prices
Median sold prices for Brock's Onix #21 (Gym Heroes), updated April 2, 2026.
Raw / Ungraded
$8.99
Range $6.50 – $17.31
Based on 4 recent sold listings