AoS new to the game, looking for advice first list

[Birigole]

I'm back in the game after loooooot of years and I'm excited to roll some heavy dices on the battlefiels.
I always loved Lizardmen (I play them also on Bloodbowl) and I tried to build up a 2k list.

The idea is having some big dinosaurs (love to see them walking and shooting), magic and... whatever else
As I'll play with well experienced people I do need a decent list. At least something competitive.
Surely I'll play against Sylvaneth, Skaven, Nurgle, Mawtribes, Goblin... but others are coming

This is what I wrote. All comments are welcome.
Surely I'm quite indecided about Priest or StarPriest... but all other comments are welcome.

- Army Faction: Seraphon
- Army Type: Coalesced
- Subfaction: Thunder Lizard
LEADERS
Engine of the Gods (300)
- Artefacts of Power: Fusil of Conflagration
- Mount Traits: Beastmaster
- Prayers: Curse
Skink Priest (120)
- Prayers: Heal
Slann Starmaster (290)
- General
- Command Traits: Master of Magic
- Spells: Stellar Tempest
Stegadon with Skink Chief (320)
- Skystreak Bow
- Artefacts of Power: Cloak of Feathers
- Mount Traits: Beastmaster
BATTLELINE
Skinks (80)
Skinks (80)
Skinks (80)
BEHEMOTH
Bastiladon with Solar Engine (260)
OTHER
Salamander Hunting Pack (300)
Salamander Hunting Pack (150)
TOTAL POINTS: 1980/2000