New Living Translation
Let God’s curse fall on anyone, including us or even an angel from heaven, who preaches a different kind of Good News than the one we preached to you.

American Standard Version
But though we, or an angel from heaven, should preach unto you any gospel other than that which we preached unto you, let him be anathema.

Berean Study Bible
But even if we or an angel from heaven should preach a gospel contrary to the one we preached to you, let him be under a curse!

Douay-Rheims Bible
But though we, or an angel from heaven, preach a gospel to you besides that which we have preached to you, let him be anathema.

English Revised Version
But though we, or an angel from heaven, should preach unto you any gospel other than that which we preached unto you, let him be anathema.

King James Bible
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.

World English Bible
But even though we, or an angel from heaven, should preach to you any "good news" other than that which we preached to you, let him be cursed.

Young's Literal Translation
but even if we or a messenger out of heaven may proclaim good news to you different from what we did proclaim to you -- anathema let him be!

Galatians 1:8 Additional Translations ...