SRD said:Spontaneous Casting: A deity of rank 1 or higher who has levels in a divine spellcasting class can spontaneously cast any spell it can grant.
HM, have you checked TOATM?
Basically any printed Cleric spell + all your domain spells are usable as if you were a Sorcerer who picked them.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.