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!

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.

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.

Darby Bible Translation
But if even we or an angel out of heaven announce as glad tidings to you [anything] besides what we have announced as glad tidings to you, let him be accursed.

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.

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!