Amurites- Arcane Lacuna: Seems particularly weak to me, if they have been unlucky finding nodes its doubly weak. How about have it randomly create new nodes within the Amurites borders.
Balseraphs- Revelry: Feels OK.
Bannor- Rally: Fits in with the Bannor theme, should probably be cast as soon as possible.
Calabim- River of Blood: Fairly subtle, is this powerful enough?
Clan of Embers- For the Horde: This can range from completely overpowered to totally useless depending on map options. But fits in nicely with flavour.
Doviello- Wild Hunt: Feels fairly balanced with Rally.
Elohim- Sanctuary: Nice flavour, should scale to game speed.
Grigori- Ardor: I like it, I assume only the Grigori’s counter gets reset.
Hippus- Warcry: Could be devastating in a quick crowded map. Should the ware off rate be lower on slower maps?
Illians-
Infernal- Hyborems Like it, you give Mercurians a city but Hyborem just takes it. It can be irritating if playing Sheaim, however Hyborem is your ally you should be happy for him to have a nice city.
Khazad- Motherlode: Not sure this is good enough and should scale to game speed. How about mines +1 Gold, or create earth elementals form mines which turn into hills after three turns
Kuriotates- Legends: Should scale to game speed. If your playing Kuriotates your likely going for a cultural victory so... Maybe should be a percentage increase with a floor that ensures reaching the third ring.
Lanun- Raging Seas: Need to see this in action. Could insist on sailing or something, but I don’t think killing a few cives on turn one is that unbalancing. Its equally beneficially to all the reaming civs. You could after all have just started with less opponents when setting up the map.
Ljosalfar- March of the Trees: Interesting, nice flavour. Motivates elves to stay true to their heritage, but is it too strong for the Ljosalfar?
Luchuirp- Gifts of Nantosuelta: Knock up four or five wonders in a couple of turns, looks ok.
Malakim- Religious Fervor: Compared to the other unit spamming spells, less units but better. Favours bigger maps.
Mercurians- Divine Retribution: This should not kill Hyborem outright, but it should make Hyborem be cearful. If so it looks under powered compared with the other spells, but what is Basium here for - clue its not to win the game.
Sheaim- Worldbreak: Nice flavour but does the AI have any chance of using this sensibly?
Sidar- Into the Mist: I guess we should take the sidar and svartalfar as baseline spells?
Svartalfar-