Shatterblade
Swordmage Attack 7
In the blink of an eye, your weapon shatters into thousands of pieces that cut your foe. The weapon reforms in your hand.
Melee weapon
Target: One creature
Attack: Intelligence vs. AC
Hit: 1[W] + Intelligence modifier damage. Each creature other than you that is adjacent to the target takes damage equal to your Intelligence modifier + your Strength modifier.
Shatterblade is an encounter power available to swordmages at 7th level.[AP:56]