Wrath of winter
shaman attack 1
Target: one creature
Attack: Wisdom vs. Fortitude
Hit: "1d10 + Wisdom modifier cold damage. You can teleport your spirit companion to a space adjacent to the target."
Level 21: "2d10 + Wisdom modifier cold damage."[PH2:122]
Wrath of winter is an at-will power available to shamans at 1st level.