Here's a decent, but fairly outdated team I've had a lot of fun with:
Noivern (Litleo) @ Choice Specs
Ability: Infiltrator
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Boomburst
- Fire Blast
- Flamethrower
- Dark Pulse
My choice of stab boomburst users, this thing...