The fact that the elves are the civ with the highers growth potential always occurred strange to me as I imagine them more as a small elite with high span of life but low growth rates. IIRC it is not possible to increase the food you need stored for growth which IMHO would be the perfect solution. But it is possible to limit the population cap for a civilization (as seen with the Jotnar from FF). So my idea is to put a population limit of 10 to all elven cities, but in return their palace grants them a building in every city that gets them +1 +1 and +3 (Ljosalfar)/ +1 +1 and +2 (Svartalfar) in every city for each exceeding and (analogue to the bunhappinessproduction of Governors Manor) Would be a serious disadvantage as they lose a lot of /production potential but it also would enable a completely new playstyle (especially for a Ljosalfar cultural victory) that still left GoN as a very good civic for them.
To extend this you could introduce unique analogue buildings for each religion to prevent FoL being the only real choice: +1 for Ashen Veil, +1 for Kilmorph, +2 for OO, +2 for Esus and so on...
To extend this you could introduce unique analogue buildings for each religion to prevent FoL being the only real choice: +1 for Ashen Veil, +1 for Kilmorph, +2 for OO, +2 for Esus and so on...