Galatians 1:8

But even if we, or an angel from heaven, were to be a preacher to you of good news other than that which we have given you, let there be a curse on him.

Romans 9:3

For I have a desire to take on myself the curse for my brothers, my family in the flesh:

1 Corinthians 16:22

If any man has not love for the Lord, let him be cursed. Maran atha (our Lord comes).

2 Corinthians 11:13-14

For such men are false Apostles, workers of deceit, making themselves seem like Apostles of Christ.

Matthew 25:41

Then will he say to those on the left, Go from me, you cursed ones, into the eternal fire which is ready for the Evil One and his angels:

Galatians 1:9

As we have said before, so say I now again, If any man is a preacher to you of any good news other than that which has been given to you, let there be a curse on him.

Revelation 22:18-19

For I say to every man to whose ears have come the words of this prophet's book, If any man makes an addition to them, God will put on him the punishments which are in this book:

Genesis 9:25

Cursed be Canaan; let him be a servant of servants to his brothers.

Deuteronomy 27:15-26

Cursed is the man who makes any image of wood or stone or metal, disgusting to the Lord, the work of man's hands, and puts it up in secret. And let all the people say, So be it.

Joshua 9:23

Now because of this you are cursed, and you will for ever be our servants, cutting wood and getting water for the house of my God.

1 Samuel 26:19

Let my lord the king give ear now to the words of his servant. If it is the Lord who is moving you against me, let him take an offering: but if it is the children of men, may they be cursed before the Lord, for driving me out today and keeping me from my place in the heritage of the Lord, saying, Go, be the servant of other gods.

Nehemiah 13:25

And I took up the cause against them, cursing them and giving blows to some of them and pulling out their hair; and I made them take an oath by God, saying, You are not to give your daughters to their sons or take their daughters for your sons or for yourselves.

Mark 14:71

But, with curses and oaths, he said, I have no knowledge of the man about whom you are talking.

Acts 23:14

And they came to the chief priests and the rulers and said, We have taken a great oath to take no food till we have put Paul to deat

1 Corinthians 12:3

So it is my desire for you to be clear about this; that no one is able to say by the Spirit of God that Jesus is cursed; and no one is able to say that Jesus is Lord, but by the Holy Spirit.

Galatians 3:10

For all who are of the works of the law are under a curse: because it is said in the Writings, A curse is on everyone who does not keep on doing all the things which are ordered in the book of the law.

Galatians 3:13

Christ has made us free from the curse of the law, having become a curse for us: because it is said in the Writings, A curse on everyone who is put to death by hanging on a tree:

1 Timothy 1:19-20

Keeping faith, and being conscious of well-doing; for some, by not doing these things, have gone wrong in relation to the faith:

Titus 3:10

A man whose opinions are not those of the church, after a first and second protest, is to be kept out of your society;

2 Peter 2:14

Having eyes full of evil desire, never having enough of sin; turning feeble souls out of the true way; they are children of cursing, whose hearts are well used to bitter envy;

Treasury of Scripture Knowledge

Summary

But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.

Bible References

Though

Galatians 1:9
As we have said before, so say I now again, If any man is a preacher to you of any good news other than that which has been given to you, let there be a curse on him.
1 Corinthians 16:22
If any man has not love for the Lord, let him be cursed. Maran atha (our Lord comes).
2 Corinthians 11:13
For such men are false Apostles, workers of deceit, making themselves seem like Apostles of Christ.
1 Timothy 1:19
Keeping faith, and being conscious of well-doing; for some, by not doing these things, have gone wrong in relation to the faith:
Titus 3:10
A man whose opinions are not those of the church, after a first and second protest, is to be kept out of your society;
Revelation 22:18
For I say to every man to whose ears have come the words of this prophet's book, If any man makes an addition to them, God will put on him the punishments which are in this book:

Let

Galatians 3:10
For all who are of the works of the law are under a curse: because it is said in the Writings, A curse is on everyone who does not keep on doing all the things which are ordered in the book of the law.
Genesis 9:25
Cursed be Canaan; let him be a servant of servants to his brothers.
Deuteronomy 27:15
Cursed is the man who makes any image of wood or stone or metal, disgusting to the Lord, the work of man's hands, and puts it up in secret. And let all the people say, So be it.
Joshua 9:23
Now because of this you are cursed, and you will for ever be our servants, cutting wood and getting water for the house of my God.
1 Samuel 26:19
Let my lord the king give ear now to the words of his servant. If it is the Lord who is moving you against me, let him take an offering: but if it is the children of men, may they be cursed before the Lord, for driving me out today and keeping me from my place in the heritage of the Lord, saying, Go, be the servant of other gods.
Nehemiah 13:25
And I took up the cause against them, cursing them and giving blows to some of them and pulling out their hair; and I made them take an oath by God, saying, You are not to give your daughters to their sons or take their daughters for your sons or for yourselves.
Matthew 25:41
Then will he say to those on the left, Go from me, you cursed ones, into the eternal fire which is ready for the Evil One and his angels:
2 Peter 2:14
Having eyes full of evil desire, never having enough of sin; turning feeble souls out of the true way; they are children of cursing, whose hearts are well used to bitter envy;

General references

Leviticus 15:8
And if liquid from the mouth of the unclean man comes on to him who is clean, then he is to have his clothing washed and his body bathed in water and be unclean till evening.
Jeremiah 16:20
Will a man make for himself gods which are no gods?
1 Corinthians 3:11
For there is no other base for the building but that which has been put down, which is Jesus Christ.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain