Hymns of the Atharva Veda, by Ralph T.H. Griffith, [1895], at sacred-texts.com

HYMN XXXIV

A prayer for freedom from sin and the overthrow of enemies

1Agni, drive off my rivals born and living, repel those yet unborn,
  O Jātavedas.
  Cast down beneath my feet mine adversaries. In Aditi's regard
   may we be sinless.