Call Dragon

Dragons hear your cry and rally. When used, any dragon within a 10 mile radius must roll a DC18 Cha save or become charmed and goes to the point of origin where the shout was cast. They will retain their original alignment however, and depending on that, they with either be friendly, neutral, or enemies to the caster and party. On a success, that dragon does is not forced to come to you, but may choose to.