Unown I #37/123
Pokemon card from Mysterious Treasures · released 2007-08-01
Unown I is a Rare Psychic-type Basic Pokemon card, number 37/123 of the Mysterious Treasures set (released 2007-08-01), illustrated by Daisuke Ito.
Prices by finish
No TCGplayer market price for this card yet — printed finishes: Normal, Reverse Holofoil. Check current listings below.
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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 |
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.avif)
More Mysterious Treasures cards
All Unown cards · Mysterious Treasures price list
Card data via TCGdex and pokemontcg.io, updated 2026-06-14. Not official values.