Rain/Sand

Tyranitar @ Choice Specs
Ability: Sand Stream
Level: 50
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
- Fire Blast
- Ice Beam
- Dark Pulse
- Focus Blast

Lucario-Mega @ Lucarionite
Ability: Adaptability
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Bullet Punch
- Close Combat
- Blaze Kick
- Protect

Nidoking @ Life Orb
Ability: Sheer Force
Level: 50
EVs: 8 HP / 248 SpA / 252 Spe
Timid Nature
IVs: 30 Atk / 30 SpA
- Earth Power
- Sludge Bomb
- Thunder
- Ice Beam

Talonflame @ Focus Sash
Ability: Gale Wings
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Brave Bird
- Flare Blitz
- Tailwind
- Quick Guard

Beartic @ Choice Band
Ability: Swift Swim
Level: 50
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Icicle Crash
- Play Rough
- Aqua Jet
- Superpower

Politoed @ Assault Vest
Ability: Drizzle
Level: 50
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
- Scald
- Ice Beam
- Surf
- Psychic