I'm not a great team builder so i would like to know if there are any major flaws in this team
Torterra
Nature: Adament
Item: Leftovers
Ability: Overgrow
EV's: 252 Atk/252 Def/4 Spd
-Earthquake
-Seed Bomb
-Curse
-Edge
Ninjask
Nature: Jolly
Item: Focus Sash
Ability: Speed Boost
EV's: 252 Spd/128 Def/ 128 SpDef
-Baton Pass
-Protect
-X-Scissor
-Swords Dance
Hariyama
Nature: Adamant
Item: Assault Vest
Ability: Thick Fat
EV's: 252 Atk/ 252 SpDef/ 4 HP
-Knock Off
-Bullet Punch
-Ice Punch
-Close Combat
Slurpuff
Nature: Modest
Item: Sitrus Berry
Ability: Unburden
EV's: 252 SpAtk/ 252 Spd/ 4 SpDef
-Flamethrower
-Calm Mind
-Dazzling Gleam
-Surf
Rotom-Frost
Nature: Modest
Item: Choice Specs
Ability: Levitate
EV's: 252 SpAtk/ 252 Spd/ 4 HP
-Blizzard
-Shadow Ball
-Volt Switch
-Thunderbolt
Malamar
Nature: Adamant
Item: Expert Belt
Ability: Contrary
EV's: 252 Spd/ 252 Atk/ 4 HP
-Psycho Cut
-Super Power
-Substitute
-Night Slash