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Professor Cozmo's Discovery 090/107 — Deoxys

Card image ©Pokémon/Nintendo/Creatures/GAME FREAK · shown for reference. Legal

Deoxys· EX

Professor Cozmo's Discovery

090/107Uncommon
Market price · Normal
$0.59
TCGplayer (US) · updated Nov 2, 2026
≈ $1.90 delivered +$1.31 shipping (TCGplayer minimum on orders under $5)

Estimate for one card from a US seller. Buying several cards from the same seller shares one shipping fee. Shipping to Canada varies by seller.

TCGplayer · US market
Market
$0.59
Low
—
Mid
—
Graded · Normal
PSA 9
$29.99
1 sale

PSA population: 10 graded · 40% PSA 10

Recent eBay sales.

Printings (2)

  • Set
    $0.59Shop
    0
  • Grand Master
    $19.19Shop
    0
Collection tracking (owned printings, condition, what you paid) opens October 25 — bookmark this page and check back.

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.

Illustrator
Ken Sugimori
Format
Not Standard
Released
February 1, 2005

Price history

  • Normal$0.59
  • Reverse Holo · Set Logo Stamp$19.19
$0.00$5.00$10.00$15.00Oct 4Oct 18Nov 2
Show as table
DateNormalReverse Holo · Set Logo Stamp
Nov 2, 2026$0.59$19.19
Nov 1, 2026$0.59$19.19
Oct 31, 2026$0.59$19.19
Oct 30, 2026$0.59$19.19
Oct 29, 2026$0.56$19.19
Oct 28, 2026$0.56$19.19
Oct 27, 2026$0.56$19.19
Oct 26, 2026$0.56$19.19
Oct 25, 2026$0.56$19.19
Oct 24, 2026$0.56$19.19
Oct 23, 2026$0.58$19.19
Oct 22, 2026$0.57$19.19
Oct 21, 2026$0.57$19.19
Oct 20, 2026$0.58$19.19
Oct 19, 2026$0.57$19.19
Oct 18, 2026$0.57$19.19
Oct 17, 2026$0.57$19.19
Oct 16, 2026$0.57$16.82
Oct 15, 2026$0.57$16.82
Oct 14, 2026$0.57$16.82
Oct 13, 2026$0.57$16.82
Oct 12, 2026$0.57$16.82
Oct 11, 2026$0.58$16.82
Oct 10, 2026$0.58$16.82
Oct 9, 2026$0.58$13.53
Oct 8, 2026$0.58$13.53
Oct 7, 2026$0.58$7.55
Oct 6, 2026$0.58$7.55
Oct 5, 2026$0.58$7.55
Oct 4, 2026$0.58$7.55

Showing the last 30 days. Full price history is on Elite and Master

Live on eBay

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Market trend

As of Nov 2, 2026 · TCGplayer (US)

7 days
+5.4%
30 days
+1.7%
vs set · 7D
+1.6%+3.8 pts vs set
Volatility (30D) Elite+
—
PrintingPrice1D7D30D
Normal$0.590.0%+5.4%+1.7%
Reverse Holo · Set Logo Stamp$19.190.0%0.0%+154%
Elite+
Volatility (30D)
See plans

Price history by source · Normal

  • TCGplayer
$0.55$0.56$0.57$0.58$0.59Oct 4Oct 18Nov 2
Show as table
DateValueSource
Nov 2, 2026$0.59TCGplayer
Nov 1, 2026$0.59TCGplayer
Oct 31, 2026$0.59TCGplayer
Oct 30, 2026$0.59TCGplayer
Oct 29, 2026$0.56TCGplayer
Oct 28, 2026$0.56TCGplayer
Oct 27, 2026$0.56TCGplayer
Oct 26, 2026$0.56TCGplayer
Oct 25, 2026$0.56TCGplayer
Oct 24, 2026$0.56TCGplayer
Oct 23, 2026$0.58TCGplayer
Oct 22, 2026$0.57TCGplayer
Oct 21, 2026$0.57TCGplayer
Oct 20, 2026$0.58TCGplayer
Oct 19, 2026$0.57TCGplayer
Oct 18, 2026$0.57TCGplayer
Oct 17, 2026$0.57TCGplayer
Oct 16, 2026$0.57TCGplayer
Oct 15, 2026$0.57TCGplayer
Oct 14, 2026$0.57TCGplayer
Oct 13, 2026$0.57TCGplayer
Oct 12, 2026$0.57TCGplayer
Oct 11, 2026$0.58TCGplayer
Oct 10, 2026$0.58TCGplayer
Oct 9, 2026$0.58TCGplayer
Oct 8, 2026$0.58TCGplayer
Oct 7, 2026$0.58TCGplayer
Oct 6, 2026$0.58TCGplayer
Oct 5, 2026$0.58TCGplayer
Oct 4, 2026$0.58TCGplayer
Quick facts

Questions & answers

How much is Professor Cozmo's Discovery worth?
Professor Cozmo's Discovery (090/107, Deoxys) is worth about $0.59: the TCGplayer market price of its Normal printing, updated November 2, 2026.
What printings of Professor Cozmo's Discovery 090/107 exist?
Professor Cozmo's Discovery 090/107 exists in 2 printings: Normal and Reverse Holo · Set Logo Stamp.
What set is Professor Cozmo's Discovery from?
Professor Cozmo's Discovery is card 090/107 of Deoxys (EX), released on February 1, 2005.
What rarity is Professor Cozmo's Discovery 090/107?
Professor Cozmo's Discovery (090/107, Deoxys) is a Uncommon card.
Who illustrated Professor Cozmo's Discovery 090/107?
The artwork of Professor Cozmo's Discovery (090/107, Deoxys) is by Ken Sugimori.

Answers are generated from Tallgrass's own catalog and market data.