Swellow @ Flame Orb
Trait: Guts
EVs: 252 atk,
216 Speed,
40 hp
Jolly Nature
- Protect
- Facade
- U-turn
- Brave bird
You don't need that much speed seeing as Weavile and ScarfTran will force you to switch anyways.
Dusknoir @ leftovers
Trait: Pressure
EVs: 252 hp, 78 def, 180 sp.def
Careful Nature
- Thunder Punch
-
Brick Break
- Shadow Sneak
- Pain Split
In my opinion, Will-O-Wisp can help you take hits easier, but seeing as you use Toxic Spikes, that's not necessary. Brick Break is a good option to hit everything for neutral along with Shadow Sneak. Counter would be good for this set too, but Counter/Shadow Sneak is illegal.