
Professor Cozmo's Discovery
Holon Phantoms · 89/110
Market value
Prices as of October 9, 2026 (Europe) and October 8, 2026 (United States).
Europe · EUR
- 7-day average
- €0.15
- 30-day average
- €0.13
- Lowest listing
- €0.02
CM Trend ≈ £0.14 · $0.18, converted at ECB rate of October 8, 2026.
United States · USD
- Lowest listing
- $0.10
- Median listing
- $0.47
- Highest listing
- $2.99
TCG Market ≈ €0.45 · £0.38, converted at ECB rate of October 8, 2026.
CM Trend, last 30 days
€0.11 on September 10, 2026, €0.16 on October 9, 2026 (+45%).
TCG Market, last 30 days
$0.50 on October 8, 2026, $0.50 on October 9, 2026 (0%).
Versions
| Version | EuropeCM Trend | USTCG Market |
|---|---|---|
| Normal | €0.16incl. Normal · Set logo stamp | $0.50incl. Normal · Set logo stamp |
| Normal · Set logo stamp | incl. in Normal | incl. in Normal |
One market price per version. Cardmarket lists some versions as one product.
Where it stands
- Overall#15,685 of 25,282 priced cards
- Set#105 of 107 in Holon PhantomsTop 25 in Holon Phantoms
- Uncommon#29 of 29 with this rarity in Holon Phantoms
Ranked by CM Trend among all Pokémon cards.
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Card effect
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.
Card details
- Number
- 89/110
- Rarity
- Uncommon
- Category
- Trainer
- Illustrator
- Ken Sugimori
- Legal in
- Neither Standard nor Expanded
- Variants
- Normal
About this card
Professor Cozmo's Discovery is a Trainer card from Holon Phantoms, card number 89/110. Its rarity is Uncommon. Holon Phantoms was released in 2006 as part of the EX series. In Europe its CM Trend is €0.16, with a 30-day average of €0.13. In the United States its TCG Market price is $0.50.