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 $0.33. Week-over-week movement is lower by 21.4%. Versus its 30-day baseline of $0.39, this card is now 15.3% lower. In the past 90 days, observed prices ranged from $0.29 to $0.43 (42% spread), a moderate-volatility profile. The listed rarity for this print is Common.

Question 2

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

Accepted Answer

Market structure summary: Week-over-week movement is negative (21.4%); this leaves value 23% under the 90-day peak. The 90-day range spans $0.29 to $0.43 (42% spread), which indicates moderate-volatility behavior. Versus the 30-day average ($0.39), the card is trading 15.3% lower. 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 $0.19 to $0.49 (158% spread). The current card sits -3% versus the sampled alternative average of $0.34. Notable alternatives include Professor Cozmo's Discovery #89 (Holon Phantoms) at $0.19 and Professor Cozmo's Discovery #90 (Deoxys) at $0.49.

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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