Freezing Ray (4e Power)

Freezing Ray	Warmage Attack 7
You channel a stream of frost through your weapon, freezing your target in its icy grip and shrouding your weapon in ice.
Encounter  Arcane, Cold, Implement
Standard Action	Ranged 20
Target: One creature
Attack: Intelligence Vs. Fortitude
Hit: 2d8+Intelligence modifier cold damage and target is immobilized until the end of your next turn.
Effect: Your next attack with your weapon deals an additional 1d6 cold damage. At level 16, this bonus increases to 1d8 cold damage.
Sustain minor: The effect persists.