This is the first competitive team I've ever built and am wondering if there is anything I should be looking out for - I'm planning on using this team in the Battle Tree in Ultra Sun for practice.
Lucario-Mega @ Lucarionite
Ability: Adaptability
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Aura Sphere
- Flash Cannon
- Dragon Pulse
- Vacuum Wave
Arcanine @ Life Orb
Ability: Intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
IVs: 0 SpA
- Extreme Speed
- Flare Blitz
- Wild Charge
- Morning Sun
Umbreon @ Leftovers
Ability: Synchronize
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
IVs: 0 Atk
- Toxic
- Swagger
- Foul Play
- Heal Bell
Venusaur-Mega @ Venusaurite
Ability: Thick Fat
EVs: 124 HP / 252 SpA / 132 Spe
Modest Nature
IVs: 0 Atk
- Sunny Day
- Solar Beam
- Sludge Bomb
- Synthesis
Greninja @ Bright Powder
Ability: Torrent
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
- Surf
- Ice Beam
- Dark Pulse
- U-turn
Haxorus @ Persim Berry
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
IVs: 0 SpA
- Dragon Dance
- Outrage
- Earthquake
- Poison Jab