Team?

Roselia (F) @ Eviolite
Ability: Natural Cure
EVs: 236 HP / 252 Def / 4 SpA / 16 SpD
Bold Nature
- Toxic Spikes
- Spikes
- Sludge Bomb
- Giga Drain

Clefairy (F) @ Eviolite
Ability: Magic Guard
EVs: 248 HP / 232 Def / 4 SpA / 24 SpD
Calm Nature
- Aromatherapy
- Stealth Rock
- Toxic
- Moonblast

Avalugg (F) @ Leftovers
Ability: Sturdy
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Avalanche
- Rapid Spin
- Recover
- Toxic

Beheeyem (F) @ Assault Vest
Ability: Analytic
EVs: 248 HP / 252 SpA / 8 SpD
Quiet Nature
IVs: 0 Spe
- Psychic
- Dark Pulse
- Signal Beam
- Thunderbolt