Description, catalog fields, rules text, and how it plays—in one place.
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Research continues on this Pokémon, which could be the power source of a unique motor.
Abilities, attacks, weakness & resistance
Once during your turn (before your attack), you may switch 1 of your face-down Prize cards with the top card of your deck. This power can't be used if Rotom is affected by a Special Condition.
Choose 1 of your opponent's Pokémon. This attack does 20 damage for each Energy attached to that Pokémon. This attack's damage isn't affected by Weakness or Resistance.
Other cards from HS—Undaunted
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Rayquaza & Deoxys LEGEND (David Cohen)
Rayquaza & Deoxys LEGEND (Holofoil)
Rayquaza & Deoxys LEGEND (David Cohen)
Kyogre & Groudon LEGEND (Holofoil)
Kyogre & Groudon LEGEND (Holofoil)
Umbreon (Holofoil)
Slowking (Holofoil)
Scizor (Holofoil)
Raichu (Holofoil)
Houndoom (Holofoil)
Espeon (Holofoil)
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Rotom (hgss3-20) is a Lightning-type Basic Pokémon from HS—Undaunted with a Poké-Power and an attack. Its Poké-Power, Mischievous Trick, lets you swap one face-down Prize card with the top card of your deck once during your turn if Rotom is not affected by a Special Condition. Its attack, Plasma Arrow, deals 20 damage for each Energy attached to the chosen opponent Pokémon and ignores Weakness and Resistance effects.
Catalog pricing data as of 26 Apr 2026, 10:33