Revelation 1:18

and I am the living one, though I was dead and lo! I am alive for evermore, Amen; and I hold the keys of hell and of death.

Romans 6:9

knowing that Christ being raised from the dead dieth no more; death over him hath no more dominion.

Hebrews 7:25

Wherefore also he is able to save to the uttermost those who come unto God by him, seeing he ever liveth to make intercession for them.

Revelation 4:9

And when these living beings give glory, and honour, and thanksgiving to him that sitteth on the throne, to him who liveth for ever and ever,

Revelation 9:1

AND the fifth angel sounded, and I saw a star fall from heaven to the earth; and to him was given the key of the pit of the abyss [of hell].

Matthew 16:19

And I will give thee the keys of the kingdom of heaven: and whatsoever thou shalt bind on earth shall be bound in heaven; and whatsoever thou shalt loose on earth shall be loosed in heaven.

Hebrews 1:3

who being the splendour of his glory, and the very impress of his substance, and upholding all things with his powerful word, by himself having effected the cleansing of our sins, he sat down at the right hand of Majesty on high;

Hebrews 12:2

earnestly looking up to Jesus the author and the finisher of faith; who, for the joy set before him, endured the cross, despising shame, and hath sat down at the right hand of the throne of God.

Revelation 3:7

And to the angel of the church in Philadelphia write, These things saith the Holy One, he that is true, who hath the key of David, who openeth, and none shutteth, and shutteth, and no man openeth.

Revelation 20:14

And death and the grave were cast into the lake of fire: this is the second death.

John 14:19

Yet a little while, and the world seeth me no more; but ye see me: because I live, ye shall live also.

Romans 14:8-9

For whether we live, to the Lord we live, and whether we die, to the Lord we die; whether therefore we live, or whether we die, we are the Lord's.

2 Corinthians 5:14-15

For the love of Christ constraineth us, because we judge thus, that if one died for all, then were all dead:

2 Corinthians 13:4

For though he was crucified in weakness, yet he liveth by the power of God: for we also are weak in him, but we shall live with him by the power of God [displayed] towards you.

Galatians 2:20

I am crucified with Christ, yet I live; though no more I, but Christ liveth in me: and my present life in the flesh, is a life by faith in the Son of God, who hath loved me, and delivered up himself for me.

Colossians 3:3

For ye are dead, and your life is hid with Christ in God.

Hebrews 7:16

who was not made such by the law of a carnal commandment, but by the power of a life indissoluble.

Revelation 5:14

And the four living beings said, Amen. And the four and twenty presbyters prostrated themselves, and worshipped him that liveth for ever and ever.

Revelation 20:1-2

AND I saw an angel descending from heaven, having the key of the abyss [of hell], and a great chain in his hand:

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

That liveth

John 14:19
Yet a little while, and the world seeth me no more; but ye see me: because I live, ye shall live also.
Romans 6:9
knowing that Christ being raised from the dead dieth no more; death over him hath no more dominion.
2 Corinthians 13:4
For though he was crucified in weakness, yet he liveth by the power of God: for we also are weak in him, but we shall live with him by the power of God [displayed] towards you.
Galatians 2:20
I am crucified with Christ, yet I live; though no more I, but Christ liveth in me: and my present life in the flesh, is a life by faith in the Son of God, who hath loved me, and delivered up himself for me.
Colossians 3:3
For ye are dead, and your life is hid with Christ in God.
Hebrews 7:25
Wherefore also he is able to save to the uttermost those who come unto God by him, seeing he ever liveth to make intercession for them.

Was

Romans 14:8
For whether we live, to the Lord we live, and whether we die, to the Lord we die; whether therefore we live, or whether we die, we are the Lord's.
2 Corinthians 5:14
For the love of Christ constraineth us, because we judge thus, that if one died for all, then were all dead:
Hebrews 1:3
who being the splendour of his glory, and the very impress of his substance, and upholding all things with his powerful word, by himself having effected the cleansing of our sins, he sat down at the right hand of Majesty on high;
Hebrews 12:2
earnestly looking up to Jesus the author and the finisher of faith; who, for the joy set before him, endured the cross, despising shame, and hath sat down at the right hand of the throne of God.

I am alive

Revelation 4:9
And when these living beings give glory, and honour, and thanksgiving to him that sitteth on the throne, to him who liveth for ever and ever,
Revelation 5:14
And the four living beings said, Amen. And the four and twenty presbyters prostrated themselves, and worshipped him that liveth for ever and ever.
Hebrews 7:16
who was not made such by the law of a carnal commandment, but by the power of a life indissoluble.

The keys

Revelation 3:7
And to the angel of the church in Philadelphia write, These things saith the Holy One, he that is true, who hath the key of David, who openeth, and none shutteth, and shutteth, and no man openeth.
Revelation 9:1
AND the fifth angel sounded, and I saw a star fall from heaven to the earth; and to him was given the key of the pit of the abyss [of hell].
Revelation 20:1
AND I saw an angel descending from heaven, having the key of the abyss [of hell], and a great chain in his hand:
Matthew 16:19
And I will give thee the keys of the kingdom of heaven: and whatsoever thou shalt bind on earth shall be bound in heaven; and whatsoever thou shalt loose on earth shall be loosed in heaven.

General references

1 Corinthians 15:13
But if there is no resurrection of the dead, neither is Christ risen:
Hebrews 13:8
Jesus Christ [is] the same yesterday, to-day, and for ever.