Spontaneous Summoner
( Complete Divine, p. 85)[General]
Prerequisite
Knowledge (nature) 4 ranks, WIS 13, able to cast any summon nature's ally spell, any neutral alignment (NG, LN, N, CN, or NE),
Benefit
You can spontaneously cast summon nature's ally spells (from your class spell list) just as a druid can. You may use this ability a total number of times per day equal to your Wisdom modifier.