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Astral seal
cleric attack 1

Target: one creature

Attack: Wisdom +2 vs. Reflex

Hit: Until the end of your next turn, the target takes a -2 penalty to all defenses. The next ally who hits it before the end of your next turn regains hit points equal to 2 + your Charisma modifier.

Astral Seal is a 1st-level cleric at-will attack power. It has a range of 5, and lowers a creature's defenses if it hits. In addition, the next ally who lands a hit on the target creature is healed.[DP:31]