Alrighty vp, decided to get back into battling after months of taking a break, and I have no clue what's going on. Just made this team.

Help?

Lucario-Mega @ Lucarionite
Ability: Adaptability
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
IVs: 30 Atk / 30 Def
- Close Combat
- Bullet Punch
- Earthquake
- Crunch

Alakazam @ Focus Sash
Ability: Magic Guard
EVs: 4 HP / 252 SAtk / 252 Spd
Naive Nature
- Focus Blast
- Psyshock
- Shadow Ball
- Hidden Power [Ice]

Dragonite @ Lum Berry
Ability: Multiscale
- Thunder Punch
- Dragon Dance
- Dragon Claw
- Earthquake

Greninja @ Life Orb
Ability: Protean
EVs: 252 Spd / 252 SAtk / 4 Atk
Hasty Nature
- U-turn
- Hydro Pump
- Dark Pulse
- Ice Beam

Rotom-Wash @ Choice Scarf
Ability: Levitate
EVs: 252 Spd / 252 SAtk / 4 SDef
Timid Nature
- Trick
- Will-O-Wisp
- Volt Switch
- Hydro Pump

Talonflame @ Life Orb
Ability: Gale Wings
EVs: 252 Spd / 252 Atk / 4 HP
Jolly Nature
- Flare Blitz
- Brave Bird
- Tailwind
- Steel Wing