Unown I 37/123
Pokemon card from Mysterious Treasures · released Aug 1, 2007
Unown I is a Rare Psychic-type Basic Pokemon card, number 37/123 in Mysterious Treasures (released Aug 1, 2007), illustrated by Daisuke Ito. Its TCGplayer market price was ~$10.38 for the reverse holofoil finish on Oct 30, 2026. Between Oct 15 and Oct 30, 2026, its Reverse Holofoil TCGplayer market price was unchanged at ~$10.38.
Prices by finish
| Finish | PriceMarket price | Low | Mid | Buy |
|---|---|---|---|---|
| Normal | ~$2.60 | ~$1.00 | ~$2.14 | CardNexuseBayBuy Normal on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
| Reverse Holofoil | ~$10.38 | ~$2.45 | ~$10.90 | CardNexuseBayBuy Reverse Holofoil on TCGplayer (opens in a new tab)Search eBaySearch AmazonCardNexus |
TCGplayer market prices per finish, as of Oct 30, 2026. A guide, not an appraisal; condition and grading change real-world value. Buy links are affiliate links.
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Sealed Mysterious Treasures products
TCGplayer market prices (via TCGCSV), Oct 30, 2026.
Card details
| Set | Mysterious Treasures |
| Number | 37/123 |
| Rarity | Rare |
| Type | Psychic |
| HP | 50 |
| Stage | Basic |
| Artist | Daisuke Ito |
| Format legality | Not legal in Standard or Expanded |
| Finishes | Normal · Reverse Holofoil |
What the codes mean
- Card number37/123Card 37 of the 123 in the main Mysterious Treasures list.
- Set symbol
The small Mysterious Treasures symbol identifies the set. Cards from before Scarlet & Violet print a symbol instead of a set code. - Regulation markNo regulation mark. Cards before Sword & Shield (2020) have none.
- RarityRare: a black star.
- Illustrator“Illus. Daisuke Ito” names the artist who made the art.
Attacks & abilities
Poke-POWER: ITEMOnce during your turn (before your attack), if you have Unown I, Unown T, Unown E, and Unown M on your Bench, you may search your deck for a Trainer card, show it to your opponent, and put it into your hand. Shuffle your deck afterward. You can't use more than 1 ITEM Poké-Power each turn.
Hidden PowerChoose an Energy card attached to the Defending Pokémon and put it face down. Treat that card as a Special Energy card that provides Colorless Energy and doesn't have any effect other than providing Energy. Put that card face up at the end of your opponent's next turn.
Weakness: Psychic +10 · Retreat cost: 1
Other Unown I printings
![Unown [I] 68/75 Pokemon card](https://static.pokemoncardlist.net/images/cards/neo2-68-w320.avif)
More Mysterious Treasures cards
All Unown cards · Mysterious Treasures price list
Card data via TCGdex and pokemontcg.io, updated Oct 31, 2026. Prices: TCGplayer market prices via TCGCSV, Oct 30, 2026.