Question 1

What is the current market value of Professor Cozmo's Discovery #10?

Accepted Answer

Professor Cozmo's Discovery from EX Trainer Kit 2 Plusle is currently trading around $0.17. Week-over-week change is limited (0.0%), indicating short-term stability. Against its 30-day baseline of $0.16, this card is pricing 5.8% higher. Its 90-day trading band runs between $0.15 and $0.17, producing a 12% range and low-volatility behavior. The listed rarity for this print is Common.

Question 2

Is Professor Cozmo's Discovery #10 a good investment or collectible?

Accepted Answer

Collector-focused market read: Short-term movement is stable (0.0% over 7 days), with price action clustered near recent averages. With a 12% 90-day spread ($0.15-$0.17), this card currently tracks as low-volatility. Versus the 30-day average ($0.16), the card is trading 5.8% higher. This sample does not include a stable graded benchmark, which means active listings remain the best condition-adjusted reference.

Question 3

What is Professor Cozmo's Discovery #10 and what makes it special?

Accepted Answer

Professor Cozmo's Discovery is a EX Trainer Kit 2 Plusle card from the 2006 release window. Its card type is Trainer. The rarity label is Common. This gives collectors a clear identity footprint for the print. Card subtype classification is Supporter. Card rules text: 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. Attack names are not present in the current metadata snapshot. Common-tier prints are typically the most accessible entries for set completion.

Question 4

What are the alternative Professor cards available?

Accepted Answer

Other Professor printings create a useful comparison set for Professor Cozmo's Discovery. This comparison sample includes 2 alternatives across 2 sets. Observed alternatives run from $0.43 to $0.51 (19% spread). The current card sits -64% versus the sampled alternative average of $0.47. Notable alternatives include Professor Cozmo's Discovery #89 (Holon Phantoms) at $0.51 and Professor Cozmo's Discovery #90 (Deoxys) at $0.43.

Question 5

What set is Professor Cozmo's Discovery #10 from, and when was it released?

Accepted Answer

EX Trainer Kit 2 Plusle was released in 2006. EX Trainer Kit 2 Plusle is grouped under the EX era. Set size is 12 cards, which categorizes EX Trainer Kit 2 Plusle as compact. As of 2026, the set is 20 years old and fits a legacy-era profile. Professor Cozmo's Discovery (#10) is one of the Common prints in this expansion.

Professor Cozmo's Discovery #10

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All Professor Cozmo's Discovery cards

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