This spell does not have a direct equivalent in vanilla.
Mass Regenerate
Level: 5
School: Alteration
Sphere: Healing
Range: Touch
Duration: 1 turn + 2 rounds/level
Casting Time: 5
Area of Effect: Sight
Saving Throw: None
This spell enables the caster to imbue all allies within sight with the ability to regenerate. The creatures affected will regain 2 hit points per round (up to a maximum of 60 hit points within 3 turns at level 10). Multiple castings of this spell are not cumulative.