Exodus 7:1 in the King James Version
And the LORD said unto Moses, See, I have made thee a god to Pharaoh: and Aaron thy brother shall be thy prophet.
Context
1 The LORD said to Moses, “Behold, I have made you as God to Pharaoh; and Aaron your brother shall be your prophet.
2 You shall speak all that I command you; and Aaron your brother shall speak to Pharaoh, that he let the children of Israel go out of his land.