Rain team built to counter meta
Roster
AbilityRain Dish
NatureModest
EVs30 HP / 32 SpA / 4 Spe
Moves
Water SpoutIce BeamAura SphereFake Out
AbilityArmor Tail
NatureBold
EVs32 HP / 32 Def / 2 SpA
Moves
Trick RoomTwin BeamHelping HandHyper Voice
AbilityStamina
NatureQuiet
EVs32 HP / 19 Def / 15 SpA
Moves
Draco MeteorElectro ShotProtectFlash Cannon
AbilityDrizzle
NatureTimid
EVs2 HP / 32 SpA / 32 Spe
Moves
HurricaneHelping HandTailwindWide Guard
AbilityOvergrow
NatureModest
EVs26 HP / 8 Def / 30 SpA / 2 SpD
Moves
Sludge BombProtectEarth PowerGiga Drain
AbilitySwift Swim
NatureJolly
EVs11 HP / 14 Atk / 8 Def / 7 SpD / 26 Spe
Moves
ProtectThroat ChopRain DancePoison Jab
Strategy
Setup speed control then sweep w helping hand electroshot or water spout Helping hand Draco meteor can OHKO some Mega Swamperts Venusaur gives coverage vs Electric types and Mega swampert Overqwil Outspeeds and OHKOs scarfed /swiftswim basculegion in rain All built to live Close Combat from Mega Staraptor
Lead Options
Pelipper + Overqwil Farigaraf + Blastoise Pelipper + Blastoise
Threats & Bad Matchups
Sun Teams, Freeze dry, Special Walls, Garchomp when Blastoise is not on field