Description, catalog fields, rules text, and how it plays—in one place.
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You can tell its age by the length of its iron horns. It claims an entire mountain as its territory.
Abilities, attacks, weakness & resistance
If the Defending Pokémon already has any damage counters on it, this attack does 40 damage plus 40 more damage.
During your opponent's next turn, any damage done to Aggron by attacks is reduced by 20 (after applying Weakness and Resistance).
Other cards from HS—Triumphant
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Darkrai & Cresselia LEGEND (Jumbo)
Darkrai & Cresselia LEGEND (Holofoil)
Yanmega (Holofoil)
Yanmega (Gustavo Wada)
Mew (Holofoil)
Magnezone (Holofoil)
Magnezone (Gustavo Wada)
Magnezone (David Cohen)
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Aggron (hgss4-1) is a Metal Stage 2 Pokémon card from the HS—Triumphant expansion printed as a Reverse Holofoil rare. Its attacks are Second Strike, which does an extra 40 damage if the Defending Pokémon already has damage counters, and Guard Claw, which reduces damage done to Aggron by 20 during the opponent's next turn. With a four-colorless retreat cost and high energy requirements, it functions as a high-commitment attacker that rewards setup rather than quick switching.
Catalog pricing data as of 16 Apr 2026, 02:23