SunMoon Regenerator core

Toxapex @ Rocky Helmet
Ability: Regenerator
EVs: 248 HP / 252 Def / 8 SpD
Bold Nature
IVs: 0 Atk
- Scald
- Toxic Spikes
- Haze
- Recover

Tangrowth @ Assault Vest
Ability: Regenerator
EVs: 252 HP / 4 Def / 252 SpD
Sassy Nature
- Sludge Bomb
- Knock Off
- Earthquake
- Hidden Power [Ice]

Tornadus-Therian @ Life Orb
Ability: Regenerator
EVs: 76 Atk / 180 SpA / 252 Spe
Naive Nature
- Hurricane
- Superpower
- U-turn
- Heat Wave

Landorus @ Choice Scarf
Ability: Sheer Force
EVs: 4 Atk / 252 SpA / 252 Spe
Naive Nature
- U-turn
- Earth Power
- Rock Slide
- Sludge Wave

Latios @ Life Orb
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Draco Meteor
- Recover
- Psychic

Hippowdon @ Leftovers
Ability: Sand Stream
EVs: 252 HP / 144 Def / 112 SpD
Impish Nature
- Earthquake
- Stealth Rock
- Slack Off
- Whirlwind