Base Class: Cleric
Gods of the time domain might include gods who have dominion over the flow of time, destiny or fate, the sun and moon, or the passing of the seasons.
Timeless
The temporal magic you that you wield causes you to age more slowly. For every 10 years that pass, your body ages only 1 year.
Glimpse of the Future
Starting at 1st level, you can give someone a brief glimpse of the future. As a bonus action, you can grant a creature within 30ft that you can see advantage on its next attack roll or saving throw (your choice). This benefit lasts for 3 rounds. You can use this feature a number of times equal to your Wisdom modifier (a minimum of once). You regain all expended uses when you finish a long rest.
Channel Divinity: Temporal Echo
Starting at 2nd level, you can use your Channel Divinity to revert the consequences of time passage.
As an action, you present your holy symbol, creating an invisible echo of yourself (that you can see) in the position where you started the turn. This echo lasts for 1 minute, and at the start of every round, it moves up to your position. While the copy exists, you can use your reaction to instantly teleport to it, ending the effect. You return to the hit points and conditions you were under at the beginning of your turn. You also regain spell slots expended during this round. If you spent spell slots over 4th level, you get a 4th level spell slot instead.
Clockspinner
Starting at 6th level you are able to exercise a small amount of control over time. You may add your Wisdom modifier to your initiative rolls. You can also act during a surprise round of combat, although you will act last during it. After the surprise round, you return to your regular place within the initiative order.
Extra Attack
At 8th level, you gain the ability to make your weapon strikes with supernatural speed. When you take the attack action you make an additional attack. When you reach 14th level, you can make two additional attacks.
Timeline Master
Starting at 17th level, you add Time Stop to your cleric spell list, and you can prepare it like any other spell. Additionally, you can now cast spells up to level 3 or use your channel divinity as a bonus action (Temporal Echo now can restore up to 7th level spell slots).