Vanguard Strike(Tome of Battle: The Book of Nine Swords, p. 62)
Devoted Spirit (Strike)
Level: Crusader 1,
Casting Time: 1 standard action
Range: Melee attack
Target: One creature
You batter aside your foes defenses with a vicious, overwhelming attack, leaving him vulnerable to your allies? blows.
As part of this maneuver, you make a melee attack against an opponent you threaten. If this attack hits, all your allies gain a +4 bonus on ranged and melee attacks against that target until the start of your next turn.