RMT: RU vs OU team i guess

[PedoPete]

Newbie here. Need some advice on improving my team



TEAM:

Tyrantrum (M) @ Sitrus Berry
Ability: Rock Head
EVs: 248 HP / 252 Atk / 8 SpD
Adamant Nature
- Hone Claws
- Head Smash
- Iron Tail
- Dragon Claw

Golbat @ Eviolite
Ability: Infiltrator
EVs: 248 HP / 8 Def / 252 SpD
Calm Nature
- Super Fang
- Toxic
- Roost
- Taunt

Magmortar @ Choice Scarf
Ability: Vital Spirit
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Overheat
- Focus Blast
- Thunderbolt
- Psychic

Abomasnow-Mega @ Abomasite
Ability: Snow Warning
EVs: 128 HP / 252 Def / 128 SpA
Bold Nature
- Blizzard
- Giga Drain
- Leech Seed
- Substitute

Smeargle @ Focus Sash
Ability: Own Tempo
EVs: 248 HP / 8 SpD / 252 Spe
Timid Nature
- Guard Swap
- Sticky Web
- Magic Coat
- Destiny Bond

Scrafty @ Leftovers
Ability: Intimidate
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Fake Out
- Bulk Up
- Drain Punch
- Knock Off

THANKS :D