Atharvaveda 20.87.5

20.87.5

préndrasya vocaṃ prathamā́ kr̥tā́ni prá nū́tanā maghávā yā́ cakā́ra |
yadéd ádevīr ásahiṣṭa māyā́ áthābhavat kévalaḥ sómo asya ||5||

I will declare the earliest deeds of Indra, and recent acts which
Maghavan hath accomplished.
When he had conquered godless wiles and magic, Soma became his own entire possession.