Perinarch, Planar(Spell Compendium, p. 154)
Level: Druid 9, Sorcerer 9, Wizard 9, Limbo (SpC) 9,
Components: V, S, DF,
Casting Time: 1 standard action
Range: Close (25 ft. + 5 ft./2 levels)
Duration: 1 round/level; see text
Saving Throw: None (object) and Reflex negates; see text
Spell Resistance: No
The god's domain was made entirely of water, but your spell creates a bubble of air and a place to stand.
This spell functions like perinarch, except that you can cast this spell on any highly morphic or divinely morphic plane (DMG 148).