Life Current

Conjuration (Healing) [water]
Level: Artificer * 3, Cleric */Oracle * 3, Druid * 3, Hunter * 3, Paladin * 3, Ranger * 3, Shaman * 3
Components: V, S, DF
Casting Time: 1 Standard Action
Range: medium (100 ft. + 10 ft./level)
Area: current or portion of current up to 20 feet wide and 100 feet long
Duration: 1 round
Saving Throw: Will half
Spell Resistance: yes
  You infuse the current with positive energy. At the start of their turn when the current moves them, living creatures in the current's area heal 1d6 hit points per 10 feet of the current's speed (maximum 6d6). Undead creatures in the current instead take an equal amount of damage.