Non-Koko Rain (OU)

Yum (Pelipper) (M) @ Damp Rock
Ability: Drizzle
EVs: 248 HP / 32 Def / 228 SpD
Bold Nature
- Scald
- U-turn
- Roost
- Defog

Arnold (Swampert-Mega) (M) @ Swampertite
Ability: Torrent
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- Waterfall
- Ice Punch
- Superpower

Claire (Kingdra) (F) @ Choice Specs
Ability: Swift Swim
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Surf
- Draco Meteor
- Ice Beam

Thorny (Ferrothorn) (F) @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 48 Def / 208 SpD
Careful Nature
- Stealth Rock
- Power Whip
- Leech Seed
- Knock Off

Katrina (Tornadus-Therian) @ Fightinium Z
Ability: Regenerator
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Hurricane
- Focus Blast
- Taunt
- U-turn

Zapper (Zapdos) @ Leftovers
Ability: Static
EVs: 248 HP / 8 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunder
- Heat Wave
- Hidden Power [Ice]
- Roost