New Team - Listless help

Magearna @ Assault Vest
Ability: Soul-Heart
EVs: 248 HP / 152 SpA / 108 SpD
Calm Nature
IVs: 0 Atk
- Fleur Cannon
- Flash Cannon
- Volt Switch
- Aura Sphere

Pinsir-Mega @ Pinsirite
Ability: Hyper Cutter
Shiny: Yes
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Earthquake
- Return
- Quick Attack
- Swords Dance

Tapu Koko @ Magnet
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- U-turn
- Hidden Power [Ice]
- Taunt
- Thunderbolt

Greninja @ Life Orb
Ability: Protean
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Dark Pulse
- Extrasensory
- Hidden Power [Fire]
- Ice Beam

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
EVs: 248 HP / 244 Def / 16 Spe
Impish Nature
- Stealth Rock
- Earthquake
- Hidden Power [Ice]
- U-turn

Tyranitar @ Choice Band
Ability: Sand Stream
EVs: 252 Atk / 252 Spe
Adamant Nature
- Crunch
- Pursuit
- Superpower
- Stone Edge