Help on my Mega Greninja team

[Rivz]

yo yo im new to PvP and been trying to make a good team for my mega Greninja this is what i got right now i would really appreciate any tips or any changes of held items or Pokemon that can help support each other better

Greninja-mega @ Greninjite
Ability: protean
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hydro Pump
- Ice Beam
- Dark Pulse
- U Turn

Amoonguss @ Black Sludge
Ability: regenerator
Serious Nature
- Spore
- Giga Drain
- Sludge Bomb
- Foul Play

Blaziken @ Life Orb
Ability: Speed Boost
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Swords Dance
- Flare Blitz
- Close Combat
- Earthquake

Aegislash @ Weakness Policy
Ability: stance-change
EVs: 248 HP / 192 Atk / 12 Def / 12 SpD / 44 Spe
Adamant Nature
- Swords Dance
- Iron Head
- Shadow Sneak
- Sacred Sword

Florges @ Leftovers
Ability: Symbiosis
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
- Moonblast
- Synthesis
- Aromatherapy
- Light Screen

Excadrill @ Air Balloon
Ability: Mold Breaker
Tera Type: Ghost
EVs: 32 HP / 56 Atk / 252 SpD / 168 Spe
Adamant Nature
- Stealth Rock
- Earthquake
- Iron Head
- Rapid Spin