You summon the strength of the elements to shield you from damage.

Daily   ✦     Arcane
Minor Action      Personal

Effect: Choose a damage type: acid, cold, fire, lightning, or thunder. You have resistance to that damage type equal to your Constitution modifier. As a minor action, you can change the type of resistance to any other listed damage type. This resistance lasts until the end of the encounter.

Published in Dragon Magazine 367, page(s) 56.