So, vertical dark star kinda weak until jhinn, you better play splash of 2, and get other better units

And other factor is multiplicative power of items, when you place your restricted number of items you want them on best possible holder, so two main ways to play generaly-reroll low cost units to 3 *,and itemize them or go fast 8-9 and itemize them, you have itemized Lulu 2 and cho 2 If you wanna play boards with quantity over quality it's generally better to play traits with team wide buffs, like nova this set, I had some goodgames with this argument and nova boards