My current collection (looking for advice)

Hi I’ve started to collect and will soon play when iced finished making my minis. I’m new to AOS ( haven’t played since fantasy) so any tips on how to use my army and possible new additions to look into adding to my army

* magnetised terrorghest/ zombie dragon (can swap head and riders)

* ghoul king

* 1 ushoran

1 crypt gouls

1 crypt flayers

1 vargulf

I also have zombies, skeleton, corpse cart, vampire lord, nagaash, necromancer, banshee, cairn wraith, and chainrasps