Primordial Earth Domain

Though most clerics worship the Gods, some do not. Some worship the Primordials, ancient elemental of incredible power. These clerics worship Earth elementals, like Gios and Motusod. The learn how to move the earth to their advantage and are often quite powerful. (I decided to make this for my Dawncoming campaign in case anyone allying with the Primordials decided to play a cleric and liked earth.) 

Bonus Cantrips

When you choose this domain at first level, you gain the Mold Earth cantrip if you don't already know it. 

Earthen Defense

You learn how to manipulate earth to block an attack. As a reaction, you can cause a wall of earth to block a melee or ranged weapon attack. You can only use this once per long rest. This increases to 2 times per long rest at level 5, 3 times per long rest at level 10, 4 times per long rest at level 15, and 5 times per long rest at level 20. 

Channel Divinity: Stone Strikes

You learn how to channel the power of earth into your attacks. At second level, you can expend one use of Channel Divinity to deal an extra 1d8 bludgeoning damage to your melee weapon attacks for two minutes. During those two minutes, if one of your melee attacks hits, the target must make a DC 12 Strength saving throw or be pushed 10 feet away from you and knocked prone.

Earthen Resistances

Your body becomes rocky and you gain resistance to piercing, slashing, and acid damage. 

Thundering Blows

Learning techniques from Earth Elemental Myrmidon's you learn how to deal thunder damage with you attacks. You deal an extra 1d8 thunder damage with your attacks. If the thunder damage rolled is an 8, the target is deafened. 

Rocky Soul

Ar 17th level, your connection with earth is incredible. You gain immunity to acid and piercing damage and a burrowing speed equal to your walking speed.