The Dreaded Cone

Chansey @ Eviolite
Ability: Natural Cure
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
- Soft-Boiled
- Seismic Toss
- Stealth Rock
- Aromatherapy

Donphan @ Life Orb
Ability: Sand Veil
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Rapid Spin
- Earthquake
- Stone Edge
- Ice Shard

Galvantula @ Life Orb
Ability: Compound Eyes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunder
- Sticky Web
- Bug Buzz
- Giga Drain

The Dreaded Cone (Celesteela) @ Leftovers
Ability: Beast Boost
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
- Leech Seed
- Protect
- Heavy Slam
- Flamethrower

Tyranitar @ Choice Band
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Crunch
- Pursuit
- Stone Edge
- Superpower

Charizard-Mega-Y @ Charizardite Y
Ability: Drought
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Fire Blast
- Solar Beam
- Focus Blast
- Dragon Dance