One verse

Srimad Bhagavatam 12.6.12

12.6.12

तं तर्पयित्वा द्रविणैर्निवर्त्य विषहारिणम् । द्विजरूपप्रतिच्छन्न: कामरूपोऽदशन्नृपम् ॥ १२ ॥

taṁ tarpayitvā draviṇair nivartya viṣa-hāriṇam dvija-rūpa-praticchannaḥ kāma-rūpo ’daśan nṛpam

tam
him (Kaśyapa)
tarpayitvā
gratifying
draviṇaiḥ
with valuable offerings
nivartya
stopping
viṣa-hāriṇam
an expert in counteracting poison
dvija-rūpa
in the form of a brāhmaṇa
praticchannaḥ
disguising himself
kāma-rūpaḥ
Takṣaka, who could assume any form he wished
adaśat
bit
nṛpam
King Parīkṣit

Takṣaka flattered Kaśyapa by presenting him with valuable offerings and thereby stopped the sage, who was expert in counteracting poison, from protecting Mahārāja Parīkṣit. Then the snake-bird, who could assume any form he wished, disguised himself as a brāhmaṇa, approached the King and bit him.