Politoed(M)@Leftovers
Ability:Drizzle
Nature:Modest
EV's:252 Sp.Attack,252 HP,4 Speed
-Ice Beam(Coverage)
-Scald(STAB)
-Focus Blast
-Toxic
Starts the rain,poison,and burn.Ice beam is coverage.Every Politoed I have seen have Focus Blast.
Roserade(M)@Black Sludge
Ability:Poison Point
Nature:Modest
EV's:252 HP,252 Sp.Attack,4 Speed
-Weather Ball(Coverage)
-Leech Seed(Team HP recover)
-Toxic Spikes(Toxic for all others)
-Sludge Bomb(STAB)
The Toxic Rain Roserade.It will leave Toxic and Leech Seed and Weather Ball is great coverage.It just gonna be lots of support and will absorb Thunders.
Gengar(M)@Black Sludge
Ability:Levitate
Nature:Modest
EV's:252 HP,252 Sp.Attack,4 Speed
-Thunder(The Thunder Gengar)
-Night Shade(Easy 100 damage)
-Focus Blast(Coverage)
-Venoshock(STAB)
The Thunder Gengar is a powerful attacker.Coverage all around and can kill easy.
Raichu(M)@Light Ball
Ability:Stactic
Nature:Rash
EV's:252 HP,122 Attack,122 Sp.Attack,14 Defense
-Thunder(Rain abuse)
-Volt Tackle(STAB)
-Focus Blast(Lower Sp.Defense)
-Return(Powerful)
Mixed Melee and Sp.Attacks and types to take care of tons of pokemon.
Tornadus(M)@Leftovers
Ability:Prankster
Nature:Modest
EV's:252 Sp.Attack,252 HP,252 Speed
-Hurricane(STAB)
-Focus Blast(Coverage)
-Swagger(Confuse)
-Toxic(Poison)
Get some status and deal heavy damage
Castform(M)@Shell Bell
Nature:Modest
EV's:252 Sp.Attack,252 HP,4 Speed
-Weather Ball(100 Power+50% Rain+STAB=Doom)
-Thunder(Raid Abuse)
-Ice Beam(Coverage)
-Flamethrower(Coverage)
Mixed type attacks and Weather Ball is Murder.