Help me with my UU team plz

Salamence @ Lum Berry
Ability: Moxie
EVs: 252 Atk / 4 SpA / 252 Spe
Naive Nature
- Dragon Dance
- Outrage
- Fire Blast
- Earthquake

Cobalion @ Leftovers
Ability: Justified
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
- Calm Mind
- Focus Blast
- Flash Cannon
- Substitute

Roserade @ Life Orb
Ability: Natural Cure
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Spikes
- Sludge Bomb
- Leaf Storm
- Sleep Powder

Alakazam @ Choice Specs
Ability: Magic Guard
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Psychic
- Focus Blast
- Hidden Power [Ice]
- Shadow Ball

Blastoise @ Blastoisinite
Ability: Rain Dish
EVs: 184 HP / 252 SpA / 72 Spe
Modest Nature
- Rapid Spin
- Scald
- Dark Pulse
- Ice Beam

Rotom-Heat @ Leftovers
Ability: Levitate
EVs: 248 HP / 52 Def / 208 Spe
Timid Nature
- Overheat
- Volt Switch
- Will-O-Wisp
- Pain Split