Revelation 1:18

I died; but I am now alive until the Ages of the Ages, and I have the keys of the gates of Death and of Hades!

Romans 6:9

because we know that Christ, having come back to life, is no longer liable to die.

Hebrews 7:25

Hence too He is able to save to the uttermost those who come to God through Him, seeing that He ever lives to plead for them.

Revelation 4:9

And whenever the living creatures give glory and honor and thanks to Him who is seated on the throne, and lives until the Ages of the Ages,

Revelation 9:1

The fifth angel blew his trumpet; and I saw a Star which had fallen from Heaven to the earth; and to him was given the key of the depths of the bottomless pit,

Matthew 16:19

I will give you the keys of the Kingdom of the Heavens; and whatever you bind on earth shall remain bound in Heaven, and whatever you loose on earth shall remain loosed in Heaven."

Hebrews 1:3

He brightly reflects God's glory and is the exact representation of His being, and upholds the universe by His all-powerful word. After securing man's purification from sin He took His seat at the right hand of the Majesty on high,

Hebrews 12:2

simply fixing our gaze upon Jesus, our Prince Leader in the faith, who will also award us the prize. He, for the sake of the joy which lay before Him, patiently endured the cross, looking with contempt upon its shame, and afterwards seated Himself-- where He still sits--at the right hand of the throne of God.

Revelation 3:7

"To the minister of the Church at Philadelphia write as follows: "'This is what the holy One and the true says--He who has the key of David--He who opens and no one shall shut, and shuts and no one shall open.

Revelation 20:14

Then Death and Hades were thrown into the Lake of fire; this is the Second Death--the Lake of fire.

John 14:19

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

Romans 14:8-9

If we live, we live to the Lord: if we die, we die to the Lord. So whether we live or die, we belong to the Lord.

2 Corinthians 5:14-15

For the love of Christ overmasters us, the conclusion at which we have arrived being this--that One having died for all, His death was their death,

2 Corinthians 13:4

For though it is true that He was crucified through weakness, yet He now lives through the power of God. We also are weak, sharing His weakness, but with Him we shall be full of life to deal with you through the power of God.

Galatians 2:20

I have been crucified with Christ, and it is no longer I that live, but Christ that lives in me; and the life which I now live in the body I live through faith in the Son of God who loved me and gave Himself up to death on my behalf.

Colossians 3:3

For you have died, and your life is hidden with Christ in God.

Hebrews 7:16

and hold His office not in obedience to any temporary Law, but by virtue of an indestructible Life.

Revelation 5:14

Then the four living creatures said "Amen," and the Elders fell down and worshipped.

Revelation 20:1-2

Then I saw an angel coming down from Heaven, having the key of the bottomless pit, and upon his arm he carried a great chain.

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 will see me no more, but you will see me: because I live, you also shall live.
Romans 6:9
because we know that Christ, having come back to life, is no longer liable to die.
2 Corinthians 13:4
For though it is true that He was crucified through weakness, yet He now lives through the power of God. We also are weak, sharing His weakness, but with Him we shall be full of life to deal with you through the power of God.
Galatians 2:20
I have been crucified with Christ, and it is no longer I that live, but Christ that lives in me; and the life which I now live in the body I live through faith in the Son of God who loved me and gave Himself up to death on my behalf.
Colossians 3:3
For you have died, and your life is hidden with Christ in God.
Hebrews 7:25
Hence too He is able to save to the uttermost those who come to God through Him, seeing that He ever lives to plead for them.

Was

Romans 14:8
If we live, we live to the Lord: if we die, we die to the Lord. So whether we live or die, we belong to the Lord.
2 Corinthians 5:14
For the love of Christ overmasters us, the conclusion at which we have arrived being this--that One having died for all, His death was their death,
Hebrews 1:3
He brightly reflects God's glory and is the exact representation of His being, and upholds the universe by His all-powerful word. After securing man's purification from sin He took His seat at the right hand of the Majesty on high,
Hebrews 12:2
simply fixing our gaze upon Jesus, our Prince Leader in the faith, who will also award us the prize. He, for the sake of the joy which lay before Him, patiently endured the cross, looking with contempt upon its shame, and afterwards seated Himself-- where He still sits--at the right hand of the throne of God.

I am alive

Revelation 4:9
And whenever the living creatures give glory and honor and thanks to Him who is seated on the throne, and lives until the Ages of the Ages,
Revelation 5:14
Then the four living creatures said "Amen," and the Elders fell down and worshipped.
Hebrews 7:16
and hold His office not in obedience to any temporary Law, but by virtue of an indestructible Life.

The keys

Revelation 3:7
"To the minister of the Church at Philadelphia write as follows: "'This is what the holy One and the true says--He who has the key of David--He who opens and no one shall shut, and shuts and no one shall open.
Revelation 9:1
The fifth angel blew his trumpet; and I saw a Star which had fallen from Heaven to the earth; and to him was given the key of the depths of the bottomless pit,
Revelation 20:1
Then I saw an angel coming down from Heaven, having the key of the bottomless pit, and upon his arm he carried a great chain.
Matthew 16:19
I will give you the keys of the Kingdom of the Heavens; and whatever you bind on earth shall remain bound in Heaven, and whatever you loose on earth shall remain loosed in Heaven."

General references

1 Corinthians 15:13
If there is no such thing as a resurrection of the dead, then Christ Himself has not risen to life.
Hebrews 13:8
Jesus Christ is the same yesterday and to-day--yes, and to the ages to come.