Competitive team thread? Could use some help since I haven't really done competitive since gen 4.

Current team is

Mamoswine @ Life Orb
Ability: Thick Fat
EVs: 252 HP / 252 Atk / 4 SDef
Adamant Nature
- Ice Shard
- Icicle Crash
- Earthquake
- Stone Edge

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 4 SAtk / 252 SDef
Calm Nature
- Thunderbolt
- Hydro Pump
- Will-O-Wisp
- Volt Switch

Ferrothorn @ Rocky Helmet
Ability: Iron Barbs
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Stealth Rock
- Spikes
- Power Whip
- Leech Seed

Pinsir @ Pinsirite
Ability: Hyper Cutter
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature
- Quick Attack
- Return
- Earthquake
- Swords Dance

Chandelure @ Choice Scarf
Ability: Flash Fire
EVs: 252 SAtk / 4 SDef / 252 Spd
Modest Nature
- Energy Ball
- Fire Blast
- Shadow Ball
- Trick

Conkeldurr @ Life Orb
Ability: Guts
EVs: 252 HP / 252 Atk / 4 SDef
Adamant Nature
- Bulk Up
- Drain Punch
- Ice Punch
- Mach Punch


Loving Mega Pinsir but the team doesn't really have much synergy it seems like.