Professor Cozmo's Discovery #10

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.

Professor Cozmo's Discovery from EX Trainer Kit 2 Plusle is currently trading around $0.15. The 7-day delta remains near neutral at 0.0%.

Current pricing is broadly aligned with its 30-day average ($0.15). Its 90-day trading band runs between $0.15 and $0.50, producing a 233% range and high-volatility behavior.

This version is categorized as Common.

Current valuation lens: Weekly drift is minimal (0.0%), indicating a relatively balanced short-term market. With a 233% 90-day spread ($0.15-$0.50), this card currently tracks as high-volatility.

Current value remains close to its 30-day mean ($0.15). This sample does not include a stable graded benchmark, which means active listings remain the best condition-adjusted reference.

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.

Other Professor printings create a useful comparison set for Professor Cozmo's Discovery. This comparison sample includes 2 alternatives across 2 sets.

Comparable prices currently cover $0.27-$0.59, a 119% band. Against the sample mean of $0.43, this card is -65%.

Notable alternatives include Professor Cozmo's Discovery #90 (Deoxys) at $0.27 and Professor Cozmo's Discovery #89 (Holon Phantoms) at $0.59.