Onix-GX (both yours and your opponent's) take 40 less damage from the opponent's attacks (after applying Weakness and Resistance). This card stays in play when you play it. Discard this card if another Stadium card comes into play. If another card with the same name is in play, you can't play this card.

Catalog metadata

National Pokédex: 0
Imported from: Vendor Tools Public API catalog

Card details

Identity, type line, stats, and set references

Identity & printing

Name: Brock's Pewter City Gym
Number: 54
Printed number: 54/68
Rarity: Uncommon
Variant: Normal
Language code: EN
Print ID: sm115-54-Normal

Type line & stats

Supertype: Trainer
Subtypes

Battle

Abilities, attacks, weakness & resistance

Market prices (catalog API)

eBay sold comps from the Vendor Tools public catalog — tap a condition below to filter sales, or refresh to pull new data into the catalog

Catalog pricing data as of 28 Mar 2026, 12:20

Guide prices and sold listings come from the Vendor Tools catalog API (eBay completed sales). Use Update prices to request a fresh pull from eBay (limited to once per 24 hours per signed-in user).

Catalog card record updated 28 Mar 2026, 12:20.

No condition guide prices yet. Use Update prices to fetch eBay sold data into the catalog.

Source API: https://api.vendortools.net

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Brock's Pewter City Gym

Overview

Rules