Adaptability

 is a Pokémon ability introduced in the fourth generation. It powers up moves of the same type.

Description
Adaptability increases the power of STAB (Same type attack bonus) moves from 1,5x to 2x,

Pokémon with Ability

 * Mega Beedrill
 * Eevee
 * Mega Lucario
 * Porygon-Z
 * Basculin (Both Forms)

As a Hidden Ability

 * Corphish
 * Crawdaunt
 * Feebas
 * Skrelp
 * Dragalge
 * Yungoos
 * Gumshoos