![Unown [I] (37) — Mysterious Treasures](https://res.cloudinary.com/boosterbox/image/upload/f_auto,q_auto:eco,fl_force_strip,fl_immutable_cache,c_limit,w_480,h_640/v1774680645/public-api-catalog/pokemon/cards/Unown-%5BI%5D-37-0086eb04.png)
Description, catalog fields, rules text, and how it plays—in one place.
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Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.
Abilities, attacks, weakness & resistance
Once 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.
Choose 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.
Other cards from Mysterious Treasures
Time-Space Distortion (Paul Atanassov)
Time-Space Distortion (Holofoil)
Magmortar LV.X (Holofoil)
Lucario LV.X (Holofoil)
Electivire LV.X (Holofoil)
Metal Energy (Reverse Holofoil)
Metal Energy
Darkness Energy (Reverse Holofoil)
Darkness Energy
Multi Energy (Tristan Robinson)
Multi Energy (Stephen Silvestro)
Multi Energy (Reverse Holofoil)
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Unown I (dp2-37) is a Basic Psychic Pokémon from the Mysterious Treasures set featuring the ITEM Poké-Power. Its Poké-Power lets you search your deck for a Trainer card if Unown I, T, E, and M are all on your Bench, with the usual once-per-turn ITEM limitation. It also has the Hidden Power attack which temporarily converts an Energy card attached to the Defending Pokémon into a face-down Special Energy that provides Colorless until your opponent's next turn ends.
Catalog pricing data as of 19 Apr 2026, 21:09