Elemental Swarm

This spell opens a portal to an Elemental Plane and summons elementals from it. A druid can choose the plane (Air, Earth, Fire, or Water a cleric opens a portal to the plane matching his domain.   When the spell is complete, 2d4 Large elementals appear. Ten minutes later, 1d4 Huge elementals appear. Ten minutes after that, one greater elemental appears. Each elemental has maximum hit points per HD. Once these creatures appear, they serve you for the duration of the spell.   The elementals obey you explicitly and never attack you, even if someone else manages to gain control over them. You do not need to concentrate to maintain control over the elementals. You can dismiss them singly or in groups at any time.   When you use a summoning spell to summon an air, earth, fire, or water creature, it is a spell of that type.
 

This spell opens a portal to an Elemental Plane and summons elementals from it. A spellcaster can typically choose the plane (Air, Earth, Fire, or Water) but some are restricted to an individual plane, determined by the source of the spell.   When the spell is complete, 2d4 Large elementals appear. Ten minutes later, 1d4 Huge elementals appear. Ten minutes after that, one greater elemental appears. Each elemental has maximum hit points for each Hit Die. Once these creatures appear, they serve you for the duration of the spell, after which time they vanish back to their plane.   The elementals obey you explicitly and never attack you, even if someone else manages to gain control over them. You can dismiss them singly or in groups at any time.   When you use this spell to summon elementals, the spell gains the Descriptor of the same type as the elementals chosen (Air, Earth, Fire, or Water). This spell belongs to the same spell spheres as the type chosen as well, when cast by a Cleric.