Flying foe
rogue attack 19
Melee weapon
Requirement: wielding a light blade.
Target: one creature
Attack: Dexterity vs. Fortitude
Hit: "4[W] + Dexterity modifier damage, and you slide the target a number of squares equal to your Strength modifier. If an obstacle (including a creature) arrests the slide, both the target and the obstacle take 1d6 damage and the target ends its movement in the square it occupied before it collided with the obstacle."
Miss: "You slide the target a number of squares equal to your Strength modifier, and no damage from obstacles."[PH:124]
Flying foe is a daily power available to rogues at 19th level.