Description, catalog fields, rules text, and how it plays—in one place.
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Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry.
Abilities, attacks, weakness & resistance
Put 1 damage counter on your opponent's Active Pokémon.
Other cards from Lost Thunder
Wait and See Hammer (Holofoil)
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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Yamask (sm8-99) is a Psychic Basic Pokémon from the Lost Thunder set with common rarity. It has a single Psychic attack, Haunt, that places one damage counter on the opponent's Active Pokémon. Its card includes Darkness weakness, Fighting resistance, and a one Colorless retreat cost, giving it basic defensive and mobility characteristics.
Catalog pricing data as of 21 Apr 2026, 05:44