Summon Giant Ally II

Conjuration (Summoning) [see text]
Level: Druid * 7
Components: V, S, F/DF (bit of cloth from a giant's bag)
Casting Time: 1 Standard Action
Range: close (25 ft. + 5 ft./2 levels)
Effect: one or more giants
Duration: 1 round/level (D)
Saving Throw: None
Spell Resistance: no
  This spell functions as summon giant ally I, except you can summon one desert, fire, frost, or jungle giant or 1d3 cave, hill, marsh, river, slag, stone, or wood giants.