Divine Cleansing( Defenders of the Faith: A Guidebook to Clerics and Paladins, p. 19)
You can channel energy to improve you and your allies' ability to resist poison and curses.
Extra Turning (PH) , CHA 13, Ability to turn or rebuke undead,
Divine Resistance (DF) ,
Spend one of your turn/rebuke undead attempts to grant all allies within a 60-foot burst (including yourself ) a +2 sacred bonus on Fortitude saving throws for a number of rounds equal to your Charisma modifier.