Brāhmaṇa of portents 1.11

Adbhutabrāhmaṇa 1.11

kāryo vāruṇayāgastu vāruṇīvidhipūrvakaḥ
uḍuttamaṃ pradhānaṃ syātpañcāṅyā'ṣṭayatastathā