Three Weather Tyranitar Pivot

Tyranitar-Mega @ Tyranitarite
Ability: Sand Stream
Level: 50
Tera Type: Rock
EVs: 32 HP / 32 Atk / 2 SpD
Adamant Nature
- Knock Off
- Stone Edge
- Low Kick
- Stealth Rock

Pelipper @ Damp Rock
Ability: Drizzle
Level: 50
Tera Type: Water
EVs: 32 HP / 32 SpA / 2 Spe
Modest Nature
- Scald
- Hurricane
- U-turn
- Roost

Ninetales-Alola @ Icy Rock
Ability: Snow Warning
Level: 50
Tera Type: Ice
EVs: 2 HP / 32 SpA / 32 Spe
Timid Nature
- Blizzard
- Moonblast
- Aurora Veil
- Encore

Excadrill @ Life Orb
Ability: Sand Rush
Level: 50
Tera Type: Ground
EVs: 2 HP / 32 Atk / 32 Spe
Adamant Nature
- Earthquake
- Iron Head
- Rock Slide
- Rapid Spin

Rotom-Wash @ Leftovers
Ability: Levitate
Level: 50
Tera Type: Water
EVs: 32 HP / 32 SpA / 2 Spe
Timid Nature
- Hydro Pump
- Volt Switch
- Will-O-Wisp
- Pain Split

Milotic @ Leftovers
Ability: Competitive
Level: 50
Tera Type: Water
EVs: 32 HP / 22 Def / 1 SpA / 11 SpD
Bold Nature
- Scald
- Recover
- Ice Beam
- Haze