Salamence @ Dragonium Z
Ability: Intimidate
Shiny: Yes
EVs: 4 HP / 100 Def / 148 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Flamethrower
- Draco Meteor
- Protect
- Substitute

Tapu Koko @ Life Orb
Ability: Electric Surge
Level: 50
EVs: 164 HP / 4 Def / 248 SpA / 92 Spe
Timid Nature
IVs: 0 Atk
- Protect
- Hidden Power [Fire]
- Thunderbolt
- Dazzling Gleam

Metagross @ Weakness Policy
Ability: Clear Body
Shiny: Yes
EVs: 252 HP / 28 Atk / 20 Def / 116 SpD / 92 Spe
Adamant Nature
- Meteor Mash
- Zen Headbutt
- Bullet Punch
- Protect

Mandibuzz @ Wacan Berry
Ability: Overcoat
Level: 50
Shiny: Yes
EVs: 252 HP / 108 Def / 4 SpA / 36 SpD / 108 Spe
Calm Nature
IVs: 0 Atk
- Taunt
- Foul Play
- Tailwind
- Protect

Garchomp @ Assault Vest
Ability: Rough Skin
Level: 50
Shiny: Yes
EVs: 52 HP / 252 Atk / 204 Spe
Adamant Nature
- Dragon Claw
- Flamethrower
- Poison Jab
- Earthquake

Vanilluxe @ Choice Scarf
Ability: Snow Warning
Level: 50
EVs: 52 HP / 4 Def / 252 SpA / 4 SpD / 196 Spe
Timid Nature
IVs: 0 Atk
- Freeze-Dry
- Blizzard
- Sheer Cold
- Icy Wind
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Arcanine @Sitrus Berry
Ability: Intimidate
EVs: EVs: 28 HP / 228 Atk / 252 Spe
Timid Nature
IVs: 0 Atk
- Burn Up/Overheat
- Snarl
- Will-O-Wisp
- Morning Sun/protect
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Dont really like mence too much but heres the team.

mence-Survives chomps dc w/o intimidate. Z dragon is to hit hard, flame thrower is for kartana and sub works on mence, mostly because of its meh move pool but it allows you to take advantage of a safe situation or block status

Koko-Outspeeds tails, max spattack and rest into hp. Hpfire is for kartana and dg/tbolt for stab

metagross-Ripped the spread from a report, it survives a groundium z chomp after intimidate and outspeeds non boosting phermosa and max speed koko after tailwind. Wp to gain boosts from stuff like chomp. bp for priority and mm/zh for stab

Mandibuzz-Taunt to help vs trick room, tailwind for speed control and foul play for damage. It outspeeds scarf chomp after a +2 and the nature+evs gives it 2 stats per 8 evs instead of 1. Wacan to take kokos hits better

Garchomp- Outspeeds neutral lele and max attack. If mence weren't on the team I would run groudium with jolly but I was trying to make mence work a bit(it saw some usage and good results a month ago but imo its kinda meh). Groundium would help a lot vs muk and arcainine. eq/dc for stab, poison jab to ohko bulu and do lots vs the other tapus and ft for kartana.

Ice cream- It outspeeds koko and non boosting phermosa with the scarf. Blizzard is for stab, freeze dry to hit gastrodon, icy wind for some speed control and sheer cold for desperate situations.

I would put either specs tapu fini or a support arcainine. I have a specs fini spread posted someone else here. As for arcainine ft/oh with snarl, helping hand, wow or protect with sitrus would work. A simple 252/252 modest spread with a few speed creeping evs would work.