The Realms Resurgent
Selune is a goddess of light, but moonlight and sunlight are very different. That being the case, here is a Moon domain for her clerics.
1st Fog Cloud, Faerie Fire
3rd Darkvision, Moonbeam
5th Sleet Storm, Water Walk
7th Confusion, Polymorph (lycanthrope only)
9th Cone of Cold, Scrying
See the Light Domain’s Warding Flare ability. These abilities are identical.
Channel Divinity: Waxing Moon
You can change into a lycanthrope as bonus action. You can dismiss this as a bonus action as well. You can shape change a number of times equal to your Channel Divinity, but only lasting a number of rounds equal to your Wisdom modifier (minimum 1). You can only choose creatures from the list below and only if your cleric level is equal to or greater than the list.
List of Lycanthropes
2nd Jackalwere CR 1/2
8th Wererat CR 2
12th Werewolf CR 3
20th Wereboar or Weretiger CR 4
Apart from the above specifications, this ability functions as the Druid’s Wild Shape ability.
Improved Moon’s Embrace
See the Light Domain’s Improved Flare ability. These abilities are identical.
Starting at 8th level, you add your wisdom modifier to the damage you deal with any cleric cantrip.
Starting at 17th level, you can use your action to activate an aura of the moon that extends 60 feet from your. It lasts for 1 minute or until you dismiss it as a free action. You give yourself and allies the ability resist damage from Bludgeoning, Piercing, and Slashing from non magical weapons that are not silvered and +1 natural armor. The resistance is equal to your wisdom modifier (minimum 1).
Credit to locvil_rogue for this domain.