Atharvaveda 5.28.5

5.28.5

bhū́miṣ ṭvā pātu háritena viśvabhŕ̥d agníḥ pipartv áyasā sajóṣāḥ |
vīrúdbhiṣ ṭe árjunaṃ saṃvidānáṃ dákṣaṃ dadhātu sumanasyámānam ||5||

Let earth, the all-bearing, protect thee with the yellow one; let Agni rescue [thee] in accord with the iron; let the silver one (árjuna), in concord with the plants, bestow (dhā) on thee dexterity, with favoring mind.