Level: Cleric 7, Druid 8
Components: V, S
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Targets: One creature/level, no two of which can be more than 30 ft. apart
Duration: Instantaneous
Saving Throw: Will half (harmless) or Will half; see text
Spell Resistance: Yes (harmless) or Yes; see text
You channel positive energy to cure 3d8 points of damage + 1 point per caster level (maximum +35) in each selected creature. Like other cure spells, mass cure serious wounds deals damage to undead in its area rather than curing them. Each affected undead may use spell resistance if it has it and attempt a Will save for half damage.
Source: Player’s Handbook (version 3.5), page 216.