A very viable option for non-raiding situations as it heals 3 allies when you heal the original target.
Beacon of Virtue
10% of base mana15 sec cooldown
Requires: Level 100
Apply a Beacon of Light to your target and 3 injured allies within 30 yards for 8 sec. All affected allies will be healed for 40% of the amount of your other healing done.
40 yd range