Question 1

What is the current market value of Professor Cozmo's Discovery #89?

Accepted Answer

Current market pricing for Professor Cozmo's Discovery (Holon Phantoms) sits near $0.49. Week-over-week movement is lower by 2.6%. It is currently 2.3% below the 30-day average of $0.50. Its 90-day trading band runs between $0.49 and $0.64, producing a 31% range and moderate-volatility behavior. The listed rarity for this print is Uncommon.

Question 2

Is Professor Cozmo's Discovery #89 a good investment or collectible?

Accepted Answer

Pricing context for collectors: The market retraced 2.6% this week, and current pricing sits 23% below its recent high watermark. With a 31% 90-day spread ($0.49-$0.64), this card currently tracks as moderate-volatility. Relative to the 30-day baseline ($0.50), pricing is near equilibrium. The clearest graded reference is PSA 9 at $75.00, or +15206% relative to raw.

Question 3

What is Professor Cozmo's Discovery #89 and what makes it special?

Accepted Answer

Professor Cozmo's Discovery is a Holon Phantoms card from the 2006 release window. Its card type is Trainer. The rarity label is Uncommon. This gives collectors a clear identity footprint for the print. Card subtype classification is Supporter. Printed card effect: 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. Uncommon-tier prints usually balance accessibility with moderate collector demand.

Question 4

What are the alternative Professor cards available?

Accepted Answer

Professor Cozmo's Discovery sits within a broader pool of Professor variants that can be compared by set, rarity, and price. Comparable entries in this snapshot: 2 cards, 2 distinct sets. Comparable prices currently cover $0.23-$0.43, a 87% band. Against the sample mean of $0.33, this card is +48%. Notable alternatives include Professor Cozmo's Discovery #10 (EX Trainer Kit 2 Plusle) at $0.23 and Professor Cozmo's Discovery #90 (Deoxys) at $0.43.

Question 5

What set is Professor Cozmo's Discovery #89 from, and when was it released?

Accepted Answer

Holon Phantoms was released in 2006. Holon Phantoms is grouped under the EX era. Set size is 111 cards, which categorizes Holon Phantoms as mid-size. As of 2026, the set is 20 years old and fits a legacy-era profile. In the Holon Phantoms checklist, Professor Cozmo's Discovery occupies position #89 as a Uncommon card.

Professor Cozmo's Discovery #89

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All Professor Cozmo's Discovery cards

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