Galatians 1:8

But even if we or an angel out of Heaven should proclaim a Gospel to you other than that which we delivered to you, let him be accursed!

Romans 9:3

(for I was wishing myself to be a curse from Christ) for my brethren, my kinsmen according to flesh;

1 Corinthians 16:22

If anyone loves not the Lord, let him be accursed, when the Lord cometh!

2 Corinthians 11:13-14

For such men are false apostles, deceitful workers, transforming themselves into apostles of Christ;

Matthew 25:41

Then will He say also to those on the left hand, 'Depart from Me, ye accursed! into the eternal fire which was prepared for the Devil and his angels;

Galatians 1:9

As we have said before, even now also I say again, if any one is delivering a Gospel to you, contrary to that which ye received, let him be accursed.

Revelation 22:18-19

"I testify to every one who hears the words of the prophecy of this book, if anyone shall add to them, God will add to him the plagues that are written in this book;

Mark 14:71

But he began to curse, and to swear, "I know not This Man of Whom ye speak."

Acts 23:14

who, indeed, going to the high priests and elders, said, "We bound ourselves under a curse to taste of nothing until we kill Paul.

1 Corinthians 12:3

Wherefore, I make known to you that no one speaking in the Spirit of God, says, "Jesus is accursed"; and no one can say, "Jesus is Lord," except in the Holy Spirit.

Galatians 3:10

For as many as are of works of law are under a curse; for it has been written, "Cursed is every one who continues not in all the things written in the book of the law, to do them."

Galatians 3:13

Christ redeemed us from the curse of the law, having become a curse for us; because it has been written, "Cursed is every one who is hung upon a tree";

1 Timothy 1:19-20

holding faith, and a good conscience, which some having thrust from them made shipwreck concerning the faith;

Titus 3:10

A factious man, after a first and a second admonition, avoid;

2 Peter 2:14

having eyes full of lustfulness, and that cannot cease from sin; enticing unstable souls; having a heart exercised in covetousness; children of a curse;

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.

General references

Bible References

Though

Galatians 1:9
As we have said before, even now also I say again, if any one is delivering a Gospel to you, contrary to that which ye received, let him be accursed.
1 Corinthians 16:22
If anyone loves not the Lord, let him be accursed, when the Lord cometh!
2 Corinthians 11:13
For such men are false apostles, deceitful workers, transforming themselves into apostles of Christ;
1 Timothy 1:19
holding faith, and a good conscience, which some having thrust from them made shipwreck concerning the faith;
Titus 3:10
A factious man, after a first and a second admonition, avoid;
Revelation 22:18
"I testify to every one who hears the words of the prophecy of this book, if anyone shall add to them, God will add to him the plagues that are written in this book;

Let

Galatians 3:10
For as many as are of works of law are under a curse; for it has been written, "Cursed is every one who continues not in all the things written in the book of the law, to do them."
Matthew 25:41
Then will He say also to those on the left hand, 'Depart from Me, ye accursed! into the eternal fire which was prepared for the Devil and his angels;
2 Peter 2:14
having eyes full of lustfulness, and that cannot cease from sin; enticing unstable souls; having a heart exercised in covetousness; children of a curse;

General references

1 Corinthians 3:11
for other foundation can no man lay than that which is laid, which is Jesus Christ.