Someone can say to me how good or how bad is this team, and if possible, helping me with him
Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 252 SpA / 252 Spe
Timid Nature
- Power Gem
- Earth Power
- Explosion
- Moonblast
Excadrill @ Air Balloon
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Iron Head
- Rapid Spin
- Stealth Rock
Thundurus @ Life Orb
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Focus Blast
- Hidden Power [Ice]
- Volt Switch
Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 132 HP / 200 Def / 176 SpD
Calm Nature
IVs: 0 Atk
- Moonblast
- Defog
- Scald
- Taunt
Tangrowth @ Leftovers
Ability: Regenerator
EVs: 220 HP / 252 Def / 36 SpD
Bold Nature
IVs: 0 Atk
- Giga Drain
- Leech Seed
- Synthesis
- Toxic
Zygarde @ Dragonium Z
Ability: Aura Break
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Thousand Arrows
- Outrage
- Extreme Speed
- Dragon Dance
Diancie-Mega @ Diancite
Ability: Magic Bounce
EVs: 252 SpA / 252 Spe
Timid Nature
- Power Gem
- Earth Power
- Explosion
- Moonblast
Excadrill @ Air Balloon
Ability: Sand Rush
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Iron Head
- Rapid Spin
- Stealth Rock
Thundurus @ Life Orb
Ability: Prankster
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Focus Blast
- Hidden Power [Ice]
- Volt Switch
Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 132 HP / 200 Def / 176 SpD
Calm Nature
IVs: 0 Atk
- Moonblast
- Defog
- Scald
- Taunt
Tangrowth @ Leftovers
Ability: Regenerator
EVs: 220 HP / 252 Def / 36 SpD
Bold Nature
IVs: 0 Atk
- Giga Drain
- Leech Seed
- Synthesis
- Toxic
Zygarde @ Dragonium Z
Ability: Aura Break
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Thousand Arrows
- Outrage
- Extreme Speed
- Dragon Dance