For now, that is my idea, because I surely don't want to have Valar-religions. Perhaps we could also have a Reverence for Ilúvatar, like in Númenor, and/or a Naturalism religion, but Religion should be a minor aspect of Middle-Earth.
About the Civics, a more organized list:
Government
*Monarchy: no bonus, no upkeep
*Tyranism: only for The Shadow, +2 unhappy, +50% military unit production, Medium Upkeep
*Stewardship: +3 research/specialist, +3 happiness in the 5 bigger cities, Low Upkeep
*Oath of Fëanor: only for Elves, can draft 3 units/turn, +1 happiness/unit in a city, High upkeep
*Friendship of The Valar: +1 production, +15% GP born rate, +15% war weariness, High Upkeep
Law
*Barbarism: No bonus, low upkeep
*High Kingship: +2 XP, +25% production in Capital, High Upkeep
*Warrior Society: free units, medium upkeep
*Council of Wises: +50% research in capital, +100% GP born rate, +1 gold suport for military units, +15% War Weariness, High Upkeep
*Raiding: only for the shadow, +25% unit production, +1 XP, Low upkeep
Labor
*Tribalism: No bonus, low upkeep
*Guild of Artificers: +25% production in capital, +25% worker speed, +25% building construction speed, High Upkeep
*Slavery: only for The Shadow and Dark Men, can sacrifice population to hurry, no upkeep
*Free Work: Happiness Penalty to civs without Free Work, +1 gold/mines , no upkeep
*Public Works: +1 happiness/city, can hurry with gold, Medium Upkeep
Economy
*Descentralization: No bonus, No upkeep
*Free Trade: +1 trade route/city, Low upkeep
*Closed Trade: +1 free specialist/city, no foreign trade routes, Medium Upkeep
*Nature Bond: +5 health in every city, +1 happiness/forest and jungle, high upkeep
*Communitary Production: No maintenance cost from distance to the palace, +25% production of buildings, Low Upkeep
Religion
*Loyalty: +25% unit production, No non-state spread, +1 unhappiness/religion in the city, only choice for The Shadow, Low Upkeep
*Extreme Neutrality: no state religion, +2 unhappiness/religion in the city, no non-state spread, +25% GP born rate High Upkeep, together with loyalty only choice for the Elves
*No Alignment: no state religion, +1 free priest in each city, no upkeep
*Fanaticism: +2 XP and the same as Loyalty but High Upkeep, only to Men
*Ignorance: no bonus, no upkeep (standart for men)