You can manipulate water and mist and ice, conjure creatures of water, and resist cold.
Icicle (Sp): As a standard action, you can fire an icicle from your finger, targeting any foe within 30 feet as a ranged touch attack. The icicle deals 1d6 points of cold damage + 1 point for every two cleric levels you possess. You can use this ability a number of times per day equal to 3 + your Wisdom modifier.
Domain Spells: 1st—obscuring mist, 2nd—fog cloud, 3rd—water breathing, 4th—control water, 5th—ice storm, 6th—cone of cold, 7th—elemental body IV (water only), 8th—horrid wilting, 9th—elemental swarm (water spell only).
Pathfinder RPG Core Rulebook. Copyright 2009, Paizo Publishing, LLC; Author: Jason Bulmahn, based on material by Jonathan Tweet, Monte Cook, and Skip Williams.