
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 this Pokémon is your Active Pokémon, and if there are 66 or more damage counters on your Benched Pokémon, you may use this Ability. If you do, you win this game.
Other cards from Lost Thunder

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Spell Tag (Holofoil)

Net Ball (Holofoil)

Lost Blender (Holofoil)

Electropower (Holofoil)

Custom Catcher (Holofoil)

Counter Gain (Holofoil)

Choice Helmet (Holofoil)

Adventure Bag (Holofoil)

Lugia-GX (Holofoil)

Mimikyu-GX (Holofoil)

Alolan Ninetales-GX (Holofoil)
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Unown (sm8-90) is a Basic Psychic-type Pokémon from the Lost Thunder set, printed as a Rare. It has the Ability DAMAGE that can instantly win the game if this is your Active Pokémon and there are 66 or more damage counters on your Benched Pokémon, and it also has the attack Hidden Power that deals 10 damage. The card features flavor text about Unown resembling ancient writing and is illustrated by Masakazu Fukuda.
Catalog pricing data as of 21 Apr 2026, 07:07