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. Flip a coin. If heads, draw the bottom 3 cards of your deck. If tails, draw the top 2 cards of your deck.

Catalog metadata

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

Card details

Identity, type line, stats, and set references

Identity & printing

Name: Professor Cozmo's Discovery (Reverse Holofoil)
Number: 90
Printed number: 90/107
Rarity: Uncommon
Variant: Reverse Holofoil
Language code: EN
Print ID: ex8-90-Reverse-Holofoil

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, 06:42

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, 06:42.

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).

Professor Cozmo's Discovery (Reverse Holofoil)

Overview

Rules