Coldwing's Grasp (4e Power)

Coldwing's Grasp	Warmage 4e Power Type::Attack 3
A frozen hand covered in shards of ice and surrounded by mist bursts forth from your weapon and seeks out its target, freezing it in its grasp.
4e Power Usage::Encounter  Arcane, Cold, Implement
4e Power Action Type::Standard Action	Ranged 15
Target: One creature
Attack: Intelligence Vs. Fortitude
Hit: 1d6+Intelligence modifier cold damage, and ongoing 3 cold damage (save ends).
Effect: Target is immobilized until the end of your next turn.