Contradiction with Ezekiel 28:17
This verse highlights the corruption and pride found in the entity which is being described, while Ezekiel 28:19 speaks of their total annihilation.
Ezekiel 28:17: Thine heart was lifted up because of thy beauty, thou hast corrupted thy wisdom by reason of thy brightness: I will cast thee to the ground, I will lay thee before kings, that they may behold thee.
Contradiction with Isaiah 14:15
This verse predicts a downfall similar to Ezekiel 28:19, but with a different setting and subject matter, focusing instead on Babylon.
Isaiah 14:15: Yet thou shalt be brought down to hell, to the sides of the pit.
Contradiction with Revelation 20:10
Despite similar themes of judgment, this verse describes an eternal torment rather than a complete end as in Ezekiel 28:19.
Revelation 20:10: And the devil that deceived them was cast into the lake of fire and brimstone, where the beast and the false prophet [are], and shall be tormented day and night for ever and ever.