Question 1

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

Accepted Answer

For Professor Cozmo's Discovery in Holon Phantoms, the current reference price is $0.19. Compared with last week, pricing is 11.8% higher. Current value trails the 30-day mean ($0.24) by 20.3%. Its 90-day trading band runs between $0.02 and $0.47, producing a 237% range and high-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

Collector-focused market read: Short-term momentum is positive (11.8% over 7 days), while the card sits 850% above its 90-day low. With a 237% 90-day spread ($0.02-$0.47), this card currently tracks as high-volatility. Current value is 20.3% below its 30-day reference ($0.24). No consistent graded benchmark is available in this snapshot, so condition-adjusted pricing should be reviewed with active listings.

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. This comparison sample includes 2 alternatives across 2 sets. Observed alternatives run from $0.33 to $0.49 (48% spread). The current card sits -54% versus the sampled alternative average of $0.41. Notable alternatives include Professor Cozmo's Discovery #90 (Deoxys) at $0.49 and Professor Cozmo's Discovery #10 (EX Trainer Kit 2 Plusle) at $0.33.

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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