[Rebuild] Rainstall

Ditto @ Choice Scarf
Trait: Imposter
EVs: 148 Atk / 108 SAtk / 252 Spd
Naughty Nature (+Atk, -SDef)
- Transform

Xatu (M) @ Leftovers
Trait: Magic Bounce
EVs: 252 HP / 188 Def / 68 Spd
Impish Nature (+Def, -SAtk)
- Thunder Wave
- U-turn
- Roost
- Psychic

Shedinja @ Focus Sash
Trait: Wonder Guard
EVs: 252 Atk / 4 Def / 252 Spd
Adamant Nature (+Atk, -SAtk)
- Swords Dance
- Shadow Sneak
- Bug Bite
- Protect

Politoed (M) @ Leftovers
Trait: Drizzle
EVs: 252 HP / 216 Def / 40 SAtk
Relaxed Nature (+Def, -Spd)
- Scald
- Toxic
- Protect
- Perish Song

Tentacruel (M) @ Black Sludge
Trait: Rain Dish
EVs: 252 HP / 252 Def / 4 SDef
Bold Nature (+Def, -Atk)
- Toxic Spikes
- Scald
- Rapid Spin
- Protect

Blissey (F) @ Leftovers
Trait: Natural Cure
EVs: 252 HP / 252 Def / 4 SDef
Impish Nature (+Def, -SAtk)
- Seismic Toss
- Heal Bell
- Softboiled
- Toxic