General Strategies for Elf Heretic

[LochNess]

Hi guys, I'm a pretty new guy, joined at the beginning of Age 68.
I played Heavy attacker (Orc Cleric) last age, but I want to try out another role this age, so I settled on Elf Heretic.


About my kingdom: we are a fairly laid back warring kingdom, we have quite some freedom to manage our provinces, and we war when most people are ready.


Is there any advice you can give to me? Since this is my first time playing T/M, any relevant advice would be useful, even if you think it's common sense :)
Such as build strategies, ops and spells to prioritize, what army composition (all dspecs or some elites as well), attack or not to attack, scientist distribution etc.

Thanks!