Exodus 6:6
6:6 Therefore, tell the Israelites, ‘I am the Lord. I will bring you out from your enslavement to the Egyptians, I will rescue you from the hard labor they impose, and I will redeem you with an outstretched arm and with great judgments.
Exodus 7:5
7:5 Then the Egyptians will know that I am the Lord, when I extend my hand over Egypt and bring the Israelites out from among them.
Exodus 9:15
9:15 For by now I could have stretched out my hand and struck you and your people with plague, and you would have been destroyed from the earth.
Ezekiel 20:33
20:33 As surely as I live, declares the sovereign Lord, with a powerful hand and an outstretched arm, and with an outpouring of rage, I will be king over you.