Since there is also a Relic Suggestions thread, I thought it might be a good idea to make one of these too.
Air/Storm Domains: Swap Call Lightning with Scintillating Sphere. It has a slightly shorter range and radius, but still gives the same amount of damage while being more thematic.
Rune: Add Legend Lore(6), or possibly even replace DBF with Legend Lore(5).
Fire Domain: Add Combust (2) and Fireball (3)