Bhagavatapurana 3.19.22

3.19.22

prāduṣkṛtānāṃ māyānām āsurīṇāṃ vināśayat /
sudarśanāstraṃ bhagavān prāyuṅkta dayitaṃ tri-pāt //

22. The glorious Lord of three feet (the three Savanas in the Yagna being considered the three feet of the Lord of whom the Yajna is a form) discharged the Astra (missile) called Sudarsana, his favourite weapon, capable of averting and destroying the Mayas or magical forces manifested by the Asuras.