According to the Vedas,Magic was given to man by the Gods for the sake of doing good and to defend oneself.

according to religious scripture there are thousands of magical verses (which are called Mantra and anther one is tantra) in Mahasiddha shar tantra,barahi tantra,shaktimangal tantra etc.These magics are used in six types of works which are called "Shat karma".These are healing(banishing any negative things),love spell,hex,freezing objects and people,killing and making two people enemy.it depends whether its good or bad according to your intuition of casting spell.main god of magic is Shiva and goddess is Kali(including her seven avatar)one who practice magic are called Tantric.