Unown [I] #37/123 Rare - Mysterious Treasures Pokemon card

Mysterious Treasures · Rare · All 124 cards →

Unown [I] #37/123

Name: Unown [I] 37/123
Brand: Pokemon
SKU: Unown-[I]-37-Mysterious-Treasures
Availability: InStock

Psychic type50 HPillustrated by Daisuke Ito

305-day price trend $1.05 – $2.30 see full chart →

Normal market price Updated Sep 7 $2.30— 0.0%24H▲ 11.65%30D

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Unown [I] #37/123 Mysterious Treasures price history

Lowest $1.05 Nov 4, 2025

Highest $2.30 Sep 3, 2026

Tracked 305 days since Nov 4, 2025

Unown [I] #37/123 card details

HP50

StageBasic

Type Psychic

Weakness +10

Retreat1

Ability

ITEMPoké-Power

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.

Attacks

Hidden Power

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.

Card facts

IllustratorDaisuke Ito

National Pokedex#201

ReleasedAugust 1, 2007

Cards in set124

SeriesDiamond & Pearl

LegalityUnlimited

Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first.

More from Mysterious Treasures

Unown [I] #37/123 is one of 124 cards in Mysterious Treasures, released August 1, 2007. Browse the rest of the set, see what the chase cards are worth, or shop sealed product.