Generation Iv
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Adjusts power according to the foe’s ability.
Detailed Effect
When this Pokémon enters battle, its Attack or Special Attack, whichever corresponds to its opponents' weaker total defensive stat, rises one stage. In the event of a tie, Special Attack is raised. This ability also takes effect when acquired during a battle.
Pokémon With Download
4 canonical Pokémon forms can have this Ability.
Porygon 
Porygon2 
Porygon Z 
Genesect 
