Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
How about a sub set? Something like:
Borutorosu @ Salac Berry/Petaya Berry
Ability: Mischievous Heart
EVs: 4HP/252 SpAtk/ 252 Spe
Nature: Modest (+SpAtk, -Atk)
- Nasty Plot/Agility
- Thunderbolt
- HP Ice/Grass Knot
- Substitute
He can switch into something he threatens and Nasty...