King James Version
For now I will stretch out my hand, that I may smite thee and thy people with pestilence; and thou shalt be cut off from the earth.English Standard Version
For by now I could have put out my hand and struck you and your people with pestilence, and you would have been cut off from the earth.New International Version
For by now I could have stretched out my hand and struck you and your people with a plague that would have wiped you off the earth.