Having a hero and a lord in the saurus cav unit is too much. Even two heros can be considered too much. the lord in the unit is plenty.
the shooting shouldn't be too much of a problem, because most of your army is very fast. Youll get into combat fast enough that youll either kill the shooting(pretty easily) or youll just be in combat and not be able to be shot at. Your sauruses are there to mop up what is left behind and even if they get shot a little, they should still be able to kill whats left(especially if its something left from the overpowering saurus cav)
magic shouldn't be much of a problem, because magic is supposed to do something. magic defence doesn't mean your opponent will never get any spells off(if you can, more power to you). Magic defence is when the magic does a little, but doesn't massacre you.
the shooting shouldn't be too much of a problem, because most of your army is very fast. Youll get into combat fast enough that youll either kill the shooting(pretty easily) or youll just be in combat and not be able to be shot at. Your sauruses are there to mop up what is left behind and even if they get shot a little, they should still be able to kill whats left(especially if its something left from the overpowering saurus cav)
magic shouldn't be much of a problem, because magic is supposed to do something. magic defence doesn't mean your opponent will never get any spells off(if you can, more power to you). Magic defence is when the magic does a little, but doesn't massacre you.