Balanced gen8

Toxapex @ Black Sludge
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Scald
- Toxic Spikes
- Recover
- Toxic

Rotom-Heat @ Iapapa Berry
Ability: Levitate
EVs: 236 HP / 20 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Overheat
- Volt Switch
- Defog
- Will-O-Wisp

Excadrill @ Focus Sash
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stealth Rock
- Rapid Spin
- Earthquake
- Rock Tomb

Hydreigon @ Choice Scarf
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Dark Pulse
- U-turn
- Fire Blast

Gyarados @ Flyinium Z
Ability: Moxie
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Dance
- Bounce
- Waterfall
- Substitute

Alcremie (F) @ Leftovers
Ability: Aroma Veil
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Recover
- Dazzling Gleam
- Psychic