Iron Treads @ Electric Seed
EVs: 240 HP / 160 Atk / 4 Def / 104 Spe  
Jolly Nature  
- Steel Roller  
- Electric Terrain  
- Earthquake  
- Body Press
(Awful, but won a match by erasing grassy terrain from rillaboom, if you use eterrain twice itll boost defense)

Maushold @ Wide Lens  
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Super Fang  
- Population Bomb  
- Tickle / Tidy Up / Charm
- Encore / Switcheroo / Taunt
(Super Fang works so well for Maus and wide lens brings its accuracy to 99%; bite is overated)

Veluza @ Lansat Berry  
Ability: Sharpness
EVs: 248 HP / 56 Def / 200 SpD / 4 Spe  
Impish Nature  
IVs: 0 SpA  
- Night Slash  
- Psycho Cut  
- Aqua Cutter  
- Fillet Away
(using fillet away to eat berry; lansat will give a huge crit chance with any of these moves)

Slowking-Galar @ Custap Berry  
Ability: Own Tempo
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Endure  
- Future Sight  
- Disable  
- Acid Spray
(Set up future sight; endure; then use custap to disable their move. endless fun)

Klefki @ Throat Spray  
Ability: Magician
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Metal Sound  
- Steel Beam  
- Draining Kiss  
- Thunder Wave
(this was bizzare to use. Magician works after throat spray; steel beam for maximum power; Draining Kiss for item stealing & healing for beam)

Hoopa-Unbound @ Kee Berry 
EVs: 12 HP / 252 SpD / 244 Spe  
Jolly Nature / Hasty (If running mixed) 
- Wonder Room  
- Hyperspace Fury  
- Zen Headbutt / Psychic  
- Drain Punch
(riffing on the same wonder room hoopa; now mixed.)