Mr. Mime Gen5

Choiced:

Mr. Mime @ Choice Scarf
Ability: Soundproof
Happiness: 0
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Psychic
- Focus Blast
- Signal Beam / Healing Wish
- Trick / Healing Wish

Choice Specs is also a fine choice.


Nasty Plot:

Mr. Mime @ Life Orb
Ability: Soundproof
Happiness: 0
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Nasty Plot
- Encore / Signal Beam
- Psychic
- Focus Blast

The main reason to use this is the Encore, but the Speed makes it good enough to run Signal Beam over it.