Mahabharata 5.57.12

अहं च तात कर्णश्च रणयज्ञं वितत्य वैयुधिष्ठिरं पशुं कृत्वा दीक्षितौ भरतर्षभ

ahaṃ ca tāta karṇaśca raṇayajñaṃ vitatya vaiyudhiṣṭhiraṃ paśuṃ kṛtvā dīkṣitau bharatarṣabha

Our plain-language meaning of this verse is waiting for scholar review.