As a standard action, you can create a blizzard of snow and ice.
Feats Compendium
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You receive a +4 bonus to your Combat Maneuver Defense against bull rush, drag, grapple, reposition, and trip attempts.
You can walk on liquid as if it were a solid surface.
Whenever a creature fails a saving throw and takes cold damage from one of your spells, it is slowed (as the slow spell) for 1 round.
You can conjure armor of ice that grants you a +4 armor bonus.
You gain resist cold 5.
You can transform an opponent into a harmless animal as if using baleful polymorph.
As a standard action, you can assume the form of a Small water elemental, as elemental body I.
You can see through fog and mist without penalty as long as there is enough light to allow you to see normal.
As a standard action, you can perform a melee touch attack that deals 1d6 points of cold damage + 1 point for every two oracle levels you possess.