Whitequeen sand offense

Garchomp @ Rocky Helmet
Ability: Rough Skin
EVs: 252 HP / 164 Def / 92 Spe
Impish Nature
- Fire Blast
- Earthquake
- Dragon Tail
- Stealth Rock

Serperior @ Leftovers
Ability: Contrary
EVs: 16 Def / 240 SpA / 252 Spe
Timid Nature
- Glare
- Leaf Storm
- Dragon Pulse
- Hidden Power [Fire]

Charizard @ Charizardite Y
Ability: Solar Power
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Roost
- Solar Beam
- Focus Blast
- Flamethrower

Tyranitar @ Choice Scarf
Ability: Sand Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Crunch
- Pursuit
- Superpower
- Stone Edge

Excadrill @ Air Balloon
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Iron Head
- Rapid Spin
- Earthquake
- Swords Dance

Manaphy @ Leftovers
Ability: Hydration
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Scald
- Ice Beam
- Tail Glow
- Rain Dance