Target: one creature
Attack: Strength vs. Will
Hit: "You pull the target 5 squares and one, two, or three allies within 5 squares of you who have line of sight to you and can hear you can make charge attacks against the target as free actions."[Dr381:32]
Lamb to the slaughter is a daily power available to warlords at 1st level.
Lamb to the slaughter is a reliable power, so its daily use is not expended when it doesn't hit.
Lamb to the slaughter was introduced in "Born to Lead: Warlord Essentials" by Robert J. Schwalb in Dragon #381.
CharOp Evaluation: Great [Char-op Warlord]
This can generate up to three charges on a single target, which is nothing short of amazing, and this is a good general choice for a Warlord at this level. However, it obviously significantly falls off if you don't have allies that are good or even acceptable at charging.