Well, I thought I'd give a list of the Deities and their areas of influence since there was interest in this during "Session 0." The info is taken from Heroes of the Fallen Lands.
Good/Unaligned Gods:
Avandra/Good/Change, Luck, Travel
Bahamut/Lawful Good/Justice, Honor, Nobility, Protection
Corellon/Unaligned/Arcane Magic, Spring, Beauty, the Arts
Erathis/Unaligned/Civilization, Invention, Laws
Ioun/Unaligned/Knowledge, Prophecy, Skill
Kord/Unaligned/Storms, Strength, Battle
Melora/Unaligned/Wilderness, Sea
Moradin/Lawful Good/Creation, Artisans, Family
Pelor/Good/Sun, Summer, Agriculture, Time
Raven Queen/Unaligned/Death, Fate, Winter
Sehanine/Unaligned/Trickery, Moon, Love, Autumn
Evil Gods:
Asmodeus, Bane, Gruumsh, Lolth, Tharizdun, Tiamat, Torog, Vecna, Zehir