Unraveling the magic of one spell, you call forth another one from you spellbook—a spell just right to put your foe in its place.

Encounter   ✦     Arcane
Minor Action      Personal

Effect: Choose an unexpended wizard encounter attack power that you have prepared. You instantly prepare a different wizard encounter attack power in its place. The new power must be from your spellbook and no higher in level than the old power.

Published in Heroes of the Fallen Lands, page(s) 224.