Swordmage Attack 29Constrictor's Strike
You exhibit your mastery of the battlefield as you harry your foe and control its movements, making it unable to escape your blade.
Daily Arcane, Weapon
Standard Action Melee weapon
Target: One creature
Attack: Intelligence vs. AC
Hit: 4[W] + Intelligence modifier damage.
Miss: Half damage.
Effect: The target is immobilized (save ends). Until the end of the encounter, whenever you hit the target with a melee attack, it is immobilized until the end of your next turn.
Aegis of Ensnarement: The target is restrained instead of immobilized.
Published in Arcane Power, page(s) 63.