Smogon ou team advice

Any suggestions to improve this team
Tyranitar @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Pursuit
- Stealth Rock
- Earthquake
- Stone Edge

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 200 SpA / 56 SpD
Timid Nature
IVs: 0 Atk
- Hydro Pump
- Volt Switch
- Will-O-Wisp
- Pain Split

Excadrill @ Life Orb
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Iron Head
- Rapid Spin
- Earthquake
- Rock Slide

Pinsir-Mega @ Pinsirite
Ability: Moxie
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Return
- Quick Attack
- Knock Off

Keldeo-Resolute @ Choice Specs
Ability: Justified
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Scald
- Secret Sword
- Hydro Pump
- Icy Wind
Talonflame @ Leftovers
Ability: Gale Wings
EVs: 108 HP / 200 Atk / 200 Spe
Adamant Nature
- Will-O-Wisp
- Brave Bird
- Roost
- Flare Blitz

Change anything at all cause it's only on pokemon showdown currently but any advice would be appreciated. Also this isn't my main team it's just a team with mons I wanted to use.