You can play only one Supporter card each turn. When you play this card, put it next to your Active Pokémon. When your turn ends, discard this card. Discard a card from your hand. If you can't discard a card from your hand, you can't play this card. If you have less cards in your hand than your opponent, draw cards until you have the same number of cards as your opponent.

Catalog metadata

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

Card details

Identity, type line, stats, and set references

Identity & printing

Name: Holon Scientist (Tom Roos)
Number: 97
Printed number: 97/113
Rarity: Uncommon
Variant: Tom Roos
Language code: EN
Print ID: ex11-97-Tom-Roos

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, 06:46

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, 06:46.

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

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

Listed on marketplace

Vendors currently listing this card/product on our marketplace. Click through to view or purchase (purchase flow coming soon).

Holon Scientist (Tom Roos)

Overview

Rules