Hyper Offensive Team for VGC 17-Arcanine, Garchomp, Vikavolt, and Golisopod

So I tried to build a team with some of my favorite Pokemon that are available for VGC this year. Two problems I ran into though.

The first is I have no idea what to replace the last two slots with. I feel like right now my team has a small weakness to some tapus, specifically Tapu Fini. i I was thinking about using Kartana as a good check since its steel, but that made my team too physical. That Last slot i tried finding a special attacker, but most of the special attackers i wanted were kind of redundant. I was thinking of adding Primaria as a special water attacker as well as fairy, but i was already running Golisopod, and I dont really want to stack types.

Second problem: What set to run on Arcanine. This guy was more versatile than I thought a pokemon could be. I have seen so many sets. I was thinking about changing the set according to my team, but again, stuck on that crucial part.

Arcanine @ Firium Z
Ability: Intimidate
Level: 50
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature

• Roar
• Extreme Speed
• Wild Charge
• Flare Blitz

Garchomp @ Life Orb
Ability: Rough Skin
Level: 50
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature

• Earthquake
• Dragon Claw
• Protect
• Stone Edge

Vikavolt @ Assault Vest
Ability: Levitate
Level: 50
EVs: 244 HP / 252 SpA / 12 SpD
Modest Nature
IVs: 0 Atk 0 Spe

• Thunderbolt
• Bug Buzz
• HP Ice
• Discharge

Golisopod @ Sitrus Berry
Ability: Emergency Exit
Level: 50
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature

• Aqua Jet
• First Impression
• Protect
• Leech Life

I mostly kept Vikavolt for the trick room setting that will happen, but i feel like i need another just-in-case pokemon for that job. I also feel like running First impression on Golisopod might be a bad idea, since that is super Predictable.

I appreciate everyones input on my team! Thank You for reading!