Looking for Team advise for future comp 🤗

Hey, im a fairly new player. My characters are Hiyuki,lynae and chisa. I will be pulling Denia aswell. I want to use all 4 of these for my 2 comps, what other 2 characters should i try to get? Do i just use havoc rover and maybe get mornye for 2nd team with Denia for now until amourath rerun?