I am aware that I am a simplistic - if not to say - primitive player - but I have a "full card" with Lae'zael as Eldritch Knight already.
I use the firethrower spell against bunched up (trashy) enemies, for sniping - usually to take out enemies on their last legs - I use the "never missiles" Magic Missile, and bash anybody within range with the Everburn. And sometimes I'm torn - sword or sorcery?
Miss Undergraduate is a Very Busy Girl!
I find it hard to imagine adding Divine Magic into her hectic schedule. Maybe a bandaid Healing Word now and then, with bigger Healing taking place during the afterparty. I'm simply not smart enough to use a threeway character - I have problems enough with dualistic ones (EK, Paladin etc.).
