Another SwSh Shiny Team

Question

So I've been going through a bunch of different teams and making many considerations, and this is my COMPETITIVE shiny team for Gen 8 Anything goes

Aegislash (M) @ Choice Specs
Ability: Stance Change
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
- Shadow Ball
- Flash Cannon
- Toxic
- Shadow Sneak

Gigalith @ Leftovers
Ability: Sand Stream
Shiny: Yes
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Stealth Rock
- Stone Edge
- Earthquake
- Toxic

Golisopod (M) @ Sitrus Berry
Ability: Emergency Exit
Shiny: Yes
EVs: 168 HP / 252 Atk / 88 Spe
Adamant Nature
- First Impression
- Liquidation
- Leech Life
- Aqua Jet

Tyranitar (M) @ Assault Vest
Ability: Sand Stream
Shiny: Yes
EVs: 224 HP / 32 Atk / 252 SpD
Careful Nature
- Rock Slide
- Crunch
- Pursuit
- Earthquake

Espeon (F) @ Leftovers
Ability: Magic Bounce
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Calm Mind
- Psychic
- Shadow Ball
- Morning Sun

Noivern (M) @ Leftovers
Ability: Infiltrator
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hurricane
- Taunt
- Roost
- U-turn

Comments

This team has the same problem as your previous one. Have you played with your teams on the AG ladder? You should notice pretty quickly that Pokemon like Gigalith and Noivern are extremely mismatched with the legendaries that are allowed in that format. In any case, here are some stats from high-rating AG matches: https://www.smogon.com/stats/2020-05/gen8nationaldexag-1760.txt
Next time you make a team, pick the battle format you're going to play first, and try to make a team that responds to the most popular strategies. At an objective level, this is an awful AG team simply because it does not account for the meta. If you want to use these Pokemon, pick a format where they are viable.
Also, Pursuit doesn't exist in Sw/Sh. Are you sure you're not playing Gen 7 AG? (Similar issues apply in that case, too: https://www.smogon.com/stats/2020-05/gen7anythinggoes-1760.txt)