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Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.
Abilities, attacks, weakness & resistance
Prevent all effects of your opponent's attacks, except damage, done to each of your Pokémon that has any Metal Energy attached to it. (Existing effects are not removed.)
During your next turn, this Pokémon's Soul Blaster attack's base damage is 60.
Other cards from Steam Siege

Gardevoir-EX (Holofoil)

Volcanion-EX (Holofoil)

Professor Sycamore (Holofoil)

Pokémon Ranger (Holofoil)

M Gardevoir-EX (Holofoil)

Gardevoir-EX (Holofoil)

M Steelix-EX (Holofoil)

Steelix-EX (Holofoil)

Volcanion-EX (Holofoil)

Steelix Spirit Link (Reverse Holofoil)

Steelix Spirit Link

Special Charge (Reverse Holofoil)
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Magearna-EX (xy11-110) is a Metal-type Basic Pokémon-EX from the Steam Siege set with Rare Ultra rarity. It has the Mystic Heart Ability which prevents non-damage effects from opponent's attacks on your Metal-attached Pokémon. Its Soul Blaster attack deals 120 damage now and is 60 base damage on your next turn, trading high immediate damage for the EX prize penalty.
Catalog pricing data as of 24 Apr 2026, 18:04