Touching Grass with rain

Pelipper @ Damp Rock
Ability: Drizzle
Tera Type: Grass
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
- U-turn
- Weather Ball
- Hurricane
- Roost

Archaludon @ Assault Vest
Ability: Stamina
Tera Type: Fairy
EVs: 252 HP / 184 SpA / 72 Spe
Modest Nature
IVs: 0 Atk
- Body Press
- Draco Meteor
- Electro Shot
- Flash Cannon

Rillaboom @ Choice Band
Ability: Grassy Surge
Tera Type: Grass
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Grassy Glide
- Knock Off
- U-turn
- Low Kick

Basculegion-F @ Choice Specs
Ability: Swift Swim
Tera Type: Water
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Shadow Ball
- Ice Beam
- Hydro Pump
- Flip Turn

Iron Treads @ Booster Energy
Ability: Quark Drive
Tera Type: Water
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Volt Switch
- Earth Power
- Stealth Rock
- Rapid Spin

Hawlucha @ Grassy Seed
Ability: Unburden
Tera Type: Flying
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Swords Dance
- Acrobatics
- Close Combat
- Roost