Market Price
$8.06
Graded Prices
PSA 10
$121.50
PSA 9.5
$25.00
PSA 9
$22.43
PSA 8
$11.10
PSA 7
$9.00
Gym Heroes·#21·2000
Onix, the colossal Rock Snake Pokémon, hails from Generation I, evolving into Steelix and embodying the raw power of the earth. This specific card, 1st Edition Brock's Onix from the 2000 Gym Heroes set, is an uncommon variant that stands out with its unique attack mechanics and character association. Here, visitors will find detailed Pokédex lore, a breakdown of its attacks, energy costs, weakness, and the historical context of its release. This card appeals to nostalgic fans and strategic players alike, with the FAQ section addressing common collector inquiries.
Read more ↓Onix, the Rock Snake Pokémon, is a colossal serpentine creature composed entirely of boulders and rocks. Introduced in Generation I, Onix is a pure Rock-type Pokémon known for its immense size and formidable defense. It evolves into Steelix when traded holding a Metal Coat, gaining the Steel typing and further enhancing its defensive capabilities. Onix typically inhabits mountainous regions and underground caves, burrowing through the earth with incredible speed despite its ponderous appearance. Its diet primarily consists of rocks and minerals, which it grinds down to strengthen its own body. In the Pokémon anime, Brock's Onix is a iconic and recurring character, often used in gym battles and showcasing its powerful rock-based attacks. Onix represents strength, resilience, and the raw power of the earth in the Pokémon world, making it a memorable and culturally significant Pokémon. Its imposing presence and unique design have solidified its place as a fan favorite.
Prices last updated: April 10, 2026
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