Keldeo

Keldeo is a /-type Generation V Mythical Pokemon that first appeared in Pokémon Black and White. Keldeo used to live in a forest that burned down in a terrible fire. Cobalion, Terrakion, and Virizion found Keldeo and took it in as their own, making it the fourth, but secret member of the Musketeer Trio. It has a signature move that is called Secret Sword.

Moveset
I Am unsure of the pp and types.

Trivia

 * Keldeo is based on a Kelpie, a supernatural water horse that appeared as a lost pony, that dragged people to their deaths by drowning them.
 * Keldeo is only obtainable through a future event.
 * Keldeo resembles a unicorn.
 * Keldeo is the first / legendary pokemon.
 * Keldeo is the second Water/Fighting type, the first being Poliwrath.
 * Video Showing Event
 * Keldeo name is similar to the activity, Rodeo