I have Competitive pokemon need help on using them

[SumpGod]

I have these pokemon and don't know what team to use or if I shound been more. Most of the ivs are 5 and I don't remember all ev's. Please help these are for doubles

Kangaskhan(Rock Slide, Crunch, Power up Punch, Ice punch)
Nature: adamant
Item: it's mega
Ability: Scrappy(but changes when megas)

Rotom(Wash)
Moves: Hydro Pump, Thunderbolt, Will O Wisp
nature: Modest
Item: Sitrus berry

Sylveon
Moves: Hyper voice, Shadow Ball, Psyshock , Protect
Nature: Modest
Item: choice Specs

Togekiss
Moves: Air Slash, Thunderwave, Roost, Dazzling Gleam
Nature: Modest
Ability: Serence Grace
Item: Lum Berry

Gengar
Moves: Sludge Bomb, Will O Wisp, Protect, Taunt
nature: timid
Ability: Levitate
Item: focus sash

Talonflame
Moves: flare Blitz, Brave Bird, Roost, Tail wind
Nature: Adamant
Ability: Gale Wings
Item: Shuca Berry

Bisharp
Moves: Sucker Punch, Swords Dance, Iron head, Knock Off
Nature: Jolly
Ability: Defiant
Item: Life orb

Landorus
Moves: Earthquake, Rock Slide, Superpower, Stone Edge
Nature: adamant
Ability: intimidate
Item: Choice Scarf

Milotic
Moves: Scald, Recover, Icebeam, Hidden Power(grass)
Nature: timid
Ability: Competitive
Item: Lefovers

Amoonguss
Moves: Spore, Giga Drain, Rage Powder, Protect
Nature: Sassy
Ability: Regenerator
Item: Rocky Helmet

Azmurill
Moves: Belly drum, Play Rough, Superpower, Aqua Jet
Nature: adamant
Ability: Huge Power
Item: Sitrus Berry

Mawile
Moves: Iron Head, Play rough, Protect, Sucker punch
Nature: Adamant
Ability: Intimidate
Item: it's mega