RainRoom

Politoed @ Aguav Berry
Ability: Drizzle
Level: 50
Shiny: Yes
EVs: 220 HP / 148 Def / 84 SpA / 52 SpD / 4 Spe
Calm Nature
IVs: 0 Atk
- Scald
- Ice Beam
- Helping Hand
- Protect

Cresselia @ Wiki Berry
Ability: Levitate
Level: 50
Shiny: Yes
EVs: 244 HP / 108 Def / 156 SpD
Sassy Nature
IVs: 0 Atk / 0 Spe
- Psychic
- Trick Room
- Helping Hand
- Skill Swap

Kingdra (M) @ Waterium Z
Ability: Swift Swim
Level: 50
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Hydro Pump
- Dragon Pulse
- Rain Dance
- Protect

Marowak-Alola (M) @ Thick Club
Ability: Lightning Rod
Level: 50
Shiny: Yes
EVs: 252 HP / 172 Atk / 4 Def / 68 SpD / 12 Spe
Adamant Nature
- Flare Blitz
- Shadow Bone
- Substitute
- Protect

Venusaur-Mega (M) @ Venusaurite
Ability: Thick Fat
Level: 50
EVs: 220 HP / 84 Def / 76 SpA / 124 SpD / 4 Spe
Calm Nature
IVs: 0 Atk
- Giga Drain
- Sludge Bomb
- Hidden Power [Fire]
- Protect

Scrafty (M) @ Assault Vest
Ability: Intimidate
Level: 50
EVs: 252 HP / 244 Atk / 12 Def
Brave Nature
IVs: 0 Spe
- Fake Out
- Drain Punch
- Knock Off
- Snarl