Forewarn
When it enters a battle, the Pokémon can tell one of the moves an opposing Pokémon has.
Pokémon with this ability2 Pokémon
FAQ
What does Forewarn do?
When it enters a battle, the Pokémon can tell one of the moves an opposing Pokémon has.
Which Pokémon have Forewarn?
2 Pokémon have it, e.g. Drowzee, Hypno.