Shaman: healing stream, mana spring, and mana tide
Shadow Priest: Vampiric Embrace
Healing Stream Totem: 5 min duration. heals party members within 20 yards for XX health/2 sec.
Mana Spring Totem: 5 min duration. Gives XX mp2 to party members within 20 yards.
Mana Tide Totem: 12 second duration. Restores 6%/3 seconds of total mana to party members
Vampiric Embrace: 1 min duration Heals SPriest (for more) and party members for % of shadow damage done by SPriest.
This -probably- means you want to group your healy-shaman and shadow priest with the tanks.. and melee or anyone who’s going to take a small amount of steady damage.