Contradiction with Psalms 86:15
This verse describes God as full of compassion and mercy, contradicting the idea of hardening Pharaoh's heart for pursuit.
Psalms 86:15: But thou, O Lord, [art] a God full of compassion, and gracious, longsuffering, and plenteous in mercy and truth.
Contradiction with 2 Peter 3:9
Here, God is described as patient, not wanting anyone to perish, which contradicts the notion of God instigating Pharaoh's pursuit that led to destruction.
2 Peter 3:9: The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.
Contradiction with Ezekiel 18:23
God states He has no pleasure in the death of the wicked, which could contradict the hardening of Pharaoh's heart leading to demise.
Ezekiel 18:23: Have I any pleasure at all that the wicked should die? saith the Lord GOD: [and] not that he should return from his ways, and live?
Contradiction with Proverbs 21:1
A verse stating that the king's heart is in the hand of the Lord and He turns it as He wishes, which can contradict the idea that Pharaoh acted of his own hardened heart.
Proverbs 21:1: The king's heart [is] in the hand of the LORD, [as] the rivers of water: he turneth it whithersoever he will.
Contradiction with 1 John 4:8
Declares that God is love, which may seem contradictory to the action of causing Pharaoh to pursue under hardened conditions leading to calamity.
1 John 4:8: He that loveth not knoweth not God; for God is love.