Adaptability
14 Pokémon and forms can have Adaptability: 7 as a regular Ability and 7 as a Hidden Ability.
What does Adaptability do?
This Pokémon inflicts twice as much damage with moves whose types match its own, rather than the usual same-type attack bonus of 1.5×.
Which Pokémon have Adaptability? (7)
Which Pokémon have Adaptability as a Hidden Ability? (7)
How Abilities work · Hidden Abilities explained · Every Ability