Mega saur team with agility diggersby, tho.

What's up, doc? (Diggersby) (M) @ Life Orb
Ability: Huge Power
Shiny: Yes
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Agility
- Return
- Earthquake
- Fire Punch

Latias @ Leftovers
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Healing Wish
- Defog
- Draco Meteor
- Psyshock

Greninja-Ash @ Waterium Z
Ability: Battle Bond
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Dark Pulse
- Hydro Pump
- Water Shuriken
- U-turn

Magearna @ Assault Vest
Ability: Soul-Heart
EVs: 200 HP / 56 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Volt Switch
- Fleur Cannon
- Flash Cannon
- Aura Sphere

Venusaur-Mega @ Venusaurite
Ability: Chlorophyll
EVs: 232 HP / 92 SpA / 80 SpD / 104 Spe
Modest Nature
IVs: 0 Atk
- Giga Drain
- Sludge Bomb
- Hidden Power [Fire]
- Synthesis

Darmanitan @ Choice Scarf
Ability: Sheer Force
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Flare Blitz
- Earthquake
- U-turn
- Rock Slide