God controls all things of life and of death upon this earth and for all eternity.
I will ransom them from the power of the grave; I will redeem them from death: O death, I will be thy plagues; O grave, I will be thy destruction: repentance shall be hid from mine eyes. (Hosea 13:14 KJV)
The direct application of this verse is to the Jewish people and the future of their redemption as a nation but this verse can be applied to life and death of all mankind.
No dead man can claim and prove to have this power over death and life. The power to ransom from the grave and redeem mankind from the throes of death can only come from supernatural power of God. God is the only one who has power over life and death.
The Bible says:
I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death. (Revelation 1:18 KJV)
God is in supernatural control of both life and death. They are both in the power of his hands. Only He has the power to create life or take an individual’s life in death is all in the hands of God. This means that no life is created without His authority and death does not come knocking on an individual’s door without the authority of or being allowed by God.