Countess Lix is a new champion.
I know very little about Countess Lix.
I don't know if she can hit hard or not.
I haven't fought anyone in Arena with her.
I haven't spoken to any teammates who have Pulled her.
I will recommend an Arena team for you, but I will not include Countess Lix in it.
I don't want to include a champion on a team when I know nothing about the Champion.
The set up I will recommend is the following:
Leader - Gorgorab - Speed Aura 23%
1st move: High Khatun ------> Turn Meter Fill + Speed Buff
2nd move: Gorgorab ---------> Turn Meter Fill + Increase Attack Buff
3rd move: Stag Knight -------> AOE Def Down
4th move: Kael ---------------> AOE Nuker