Blind Lance (4e Power)

Blind Lance	Black Lion Attack 1
A step in the right direction
At-Will  Martial, Weapon
Standard Action	Melee or Ranged
Target: One creature
Attack: Strength (melee) or Dexterity (ranged) Vs. AC
Hit: 1[W] + Strength modifier damage (melee) or 1[W] + Dexterity modifier damage (ranged)
Effect: Target suffers a -1 penalty to attack rolls until the end of its next turn.
21st level: 2[W] damage; -2 penalty to attack rolls.