Rayquaza ★
$6,156.98Details
Professor Cozmo's Discovery – Deoxys #90
Deoxys#90
Uncommon
Professor Cozmo's Discovery #90 is an Uncommon card from the Deoxys expansion. This page tracks this exact printing, not every Professor Cozmo's Discovery card.
Current market price
$0.57
0.0%
7d
+5.6%
30d
NORMAL · TCGPLAYER · 2026-10-22
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01 · Price history
165 snapshots
Full price history.
Daily market-price snapshots — every data point is a dated price reading, never an estimate.
Professor Cozmo's Discovery #90 card details.
Professor Cozmo's Discovery #90 is an Uncommon Trainer card from Deoxys, released February 2005. Its current tracked market price is $0.57 for the Normal variant, updated October 22, 2026.
Since May 8, 2026, the Deoxys printing of Professor Cozmo's Discovery #90 has ranged from a low of $0.41 (May 8, 2026) to a high of $0.58 (October 1, 2026).
That is a +39.0% move from $0.41 to today's $0.57, at or near its tracked high.
Currently ranked #11,382 by market price across tracked Pokémon cards as of October 22, 2026.
Set
Card number
#90
Released
February 2005
Rarity
Uncommon
Supertype
Trainer
Series
EX
Market source
TCGplayer market price · Normal · Updated October 22, 2026
02 · Other printings
3 printings
Every Professor Cozmo's Discovery printing.
Professor Cozmo's Discovery has 3 tracked English printings, including this Deoxys #90 version. At $0.57 it is the most valuable of the 3 priced printings.
03 · Variants
2 variants
Different variants, different prices.
The available TCGCSV variants for this exact printing can have different price bands. The selected variant's market value is the one used across rankings and summaries.
| Variant | Low | Mid | Market | High |
|---|---|---|---|---|
| Normalcurrent | $0.12 | $0.49 | $0.57 | $19.72 |
| Reverse Holofoil | $5 | $11.74 | $19.19 | $69.74 |
04 · Related cards
From the same set
More from Deoxys.
Highest-priced cards from the same expansion, ordered by current market price.
06 · Reference desk
Professor Cozmo's Discovery, explained.
Everything about this card — the price, the variants, and how we track it.
How has the Professor Cozmo's Discovery Deoxys price changed?
Since May 8, 2026, the Deoxys printing of Professor Cozmo's Discovery #90 has ranged from a low of $0.41 (May 8, 2026) to a high of $0.58 (October 1, 2026). That is a +39.0% move from $0.41 to today's $0.57, at or near its tracked high.
Which Professor Cozmo's Discovery printing is worth the most?
Professor Cozmo's Discovery has 3 tracked English printings, including this Deoxys #90 version. At $0.57 it is the most valuable of the 3 priced printings.
Is Professor Cozmo's Discovery from Deoxys a good investment?
We track prices, not provide investment advice. No collectors are chasing this printing yet; the price history above shows how its market has moved.
How is the market price determined?
Prices are refreshed daily from TCGplayer market-price data via TCGCSV. Each displayed value applies to the tracked price variant named on the card detail page. It is a market reference, not a guaranteed sale price; condition, grading, location, fees, and timing can change an individual sale. This card's current figure reflects the Normal variant.
Where can I buy Professor Cozmo's Discovery?
The buy buttons above are affiliate links - same price for you, a small commission that supports Chase Season. TCGPlayer and eBay are deep markets for singles.
Normal
$0
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