Mummy
2 Pokémon can have Mummy: 2 as a regular Ability.
What does Mummy do?
Whenever a contact move hits this Pokémon, the attacking Pokémon's ability changes to Mummy. Multitype is unaffected. If a Pokémon with Moxie knocks this Pokémon out, the former's ability will change without taking effect.
Which Pokémon have Mummy? (2)
How Abilities work · Hidden Abilities explained · Every Ability