Tried to make a Trick Room team :p

Tapu Bulu @ Choice Band
Ability: Grassy Surge
EVs: 248 HP / 252 Atk / 8 SpD
Brave Nature
IVs: 0 Spe
- Rock Slide
- Stone Edge
- Horn Leech
- Brick Break

Magearna @ Leftovers
Ability: Soul-Heart
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Trick Room
- Volt Switch
- Fleur Cannon
- Heal Bell

Aerodactyl-Mega @ Aerodactylite
Ability: Tough Claws
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Aqua Tail
- Stone Edge
- Crunch

Toxapex @ Black Sludge
Ability: Merciless
EVs: 248 HP / 108 SpA / 136 SpD
Calm Nature
IVs: 0 Atk
- Recover
- Baneful Bunker
- Scald
- Sludge Bomb

Mew @ Leftovers
Ability: Synchronize
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
IVs: 0 Spe
- Trick Room
- U-turn
- Defog
- Soft-Boiled

Jirachi @ Normalium Z
Ability: Serene Grace
EVs: 252 HP / 252 Atk
Brave Nature
IVs: 0 Spe
- Happy Hour
- Iron Head
- Drain Punch
- Power-Up Punch