Swordmage Attack 1Chilling Blow

Your blade rips into your foe and cold pulses from the wound, enveloping your enemy’s body in a crust of frost.

Encounter        Arcane, Cold, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Intelligence vs. AC

Hit: 1[W] + Intelligence modifier cold damage, and the target takes cold damage equal to your Constitution modifier each time it attacks until the start of your next turn.

Published in Forgotten Realms Player's Guide, page(s) 27.