The Storm of Insurrection
Deity: The Devourer
Granted Power (Level 1): You may choose to use your channel divine ability to instead command water creatures or to turn fire creatures.
Domain Spell Access
Level 1: obscuring mist
Level 2: fog cloud
Level 3: water breathing
Level 4: control water
Level 5: ice storm
Level 6: cone of cold
Level 7: elemental body (water only)
Level 8: horrid wilting
Level 9: elemental swarm (water spell only)
Domain Power (Level 6): You may add frost ray to your spell list as a level 2 spell. Frost ray is similar to scorching ray, but each ray does 3d8 (not 4d8) and targets must make a Fortitude save (for each ray that hits them) or be slowed for one round. You also gain cold resistance 10. At level 12 your cold resistance improves to 20. At level 20, you gain immunity to cold.
Epic Domain Power (Level 20): As an alternative to channel divine, you can choose to unleash cold at a single foe within 30 feet as a ranged touch attack. This attack deals 1d6 cold per level.
Mythic Domain Power (Level 30): You can spontaneously convert any of your spells into water or cold spells on the cleric list or spells on the water domain list.