You invite attack and distract your foes in the process.
Personal
Effect: Until the stance ends, you grant combat advantage to all enemies, but any enemies adjacent to you grant combat advantage to your allies.
Bravura Presence: When an enemy adjacent to you becomes bloodied or is reduced to 0 hit points, you regain hit points equal to your Charisma modifier.
Tempting Target is an utility power available to warlords at 6th level.
Tempting Target was introduced in the Player's Handbook.
CharOp Evaluation: Average [Charop Warlord]
This is basically sticking your neck out to benefit others, which is generally not a great idea for leaders. Bravura Warlords might consider it, since their rider tacks on surgeless healing, which could potentially make it worth it.