
Steam Siege · #109
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Mega Evolution rule: When 1 of your Pokémon becomes a Mega Evolution Pokémon, your turn ends. Pokémon-EX rule: When a Pokémon-EX has been Knocked Out, your opponent takes 2 Prize cards.
Abilities, attacks, weakness & resistance
This attack does 10 damage to each of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
Other cards from Steam Siege

Gardevoir-EX (Holofoil)

Volcanion-EX (Holofoil)

Professor Sycamore (Holofoil)

Pokémon Ranger (Holofoil)

M Gardevoir-EX (Holofoil)

Gardevoir-EX (Holofoil)

Magearna-EX (Holofoil)

Steelix-EX (Holofoil)

Volcanion-EX (Holofoil)

Steelix Spirit Link (Reverse Holofoil)

Steelix Spirit Link

Special Charge (Reverse Holofoil)
M Steelix-EX (xy11-109 Holofoil) is a Mega Evolution Pokémon-EX from the Steam Siege expansion. Its single attack, Canyon Axe, deals 160 damage to the Active and also deals 10 damage to each of the opponent’s Benched Pokémon. It has the EX drawback of giving up two Prize cards when Knocked Out and ends your turn when you Mega Evolve it.
Catalog pricing data as of 16 Apr 2026, 15:44
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