Supa Grookas

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

Charizard-Mega-X (M) @ Charizardite X
Ability: Blaze
EVs: 240 HP / 20 Atk / 128 Def / 120 Spe
Impish Nature
- Roost
- Will-O-Wisp
- Flare Blitz
- Earthquake

Tapu Koko @ Choice Scarf
Ability: Electric Surge
EVs: 64 Atk / 252 SpA / 192 Spe
Naive Nature
- Thunderbolt
- Volt Switch
- Hidden Power [Ice]
- Brave Bird

Greninja @ Waterium Z
Ability: Protean
Shiny: Yes
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Hydro Pump
- Gunk Shot
- Hidden Power [Fire]
- Spikes

Landorus-Therian @ Rocky Helmet
Ability: Intimidate
Shiny: Yes
EVs: 252 HP / 228 Def / 28 Spe
Impish Nature
- Earthquake
- Hidden Power [Ice]
- U-turn
- Defog

Chansey @ Eviolite
Ability: Natural Cure
Shiny: Yes
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
- Seismic Toss
- Toxic
- Stealth Rock
- Soft-Boiled