OU Deospam?

Alakazam @ Alakazite
Ability: Magic Guard
EVs: 252 SpA / 4 SpD / 252 Spe
Modest Nature
- Psychic
- Shadow Ball
- Focus Blast
- Substitute

Hoopa-Unbound @ Choice Band
Ability: Magician
EVs: 4 Def / 248 SpA / 252 Spe
Adamant Nature
- Hyperspace Fury
- Zen Headbutt
- Fire Punch
- Drain Punch

Tapu Lele @ Terrain Extender
Ability: Psychic Surge
EVs: 80 HP / 212 SpA / 216 Spe
Timid Nature
IVs: 0 Atk
- Taunt
- Moonblast
- Psychic
- Nature's Madness

Smeargle @ Focus Sash
Ability: Technician
EVs: 252 HP / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Spore
- Taunt
- Sticky Web
- Stealth Rock

Mimikyu @ Life Orb
Ability: Disguise
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Shadow Sneak
- Play Rough
- Shadow Claw

Excadrill @ Choice Scarf
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Iron Head
- Earthquake
- Rock Slide
- Rapid Spin