Moses
Deuteronomy 29:27ESV·traditional attribution

Therefore the anger of the LORD was kindled against this land, bringing upon it all the curses written in this book,

Matthew Henry Presbyterian @wholebiblehenry

It appears by the length of the sentences here, and by the copiousness and pungency of the expressions, that Moses, now that he was drawing near to the close of his discourse, was very warm and zealous, and very desirous to impress what he said upon the minds of this unthinking people.

Commenting on Deuteronomy 29:10-29

John Gill Reformed Baptist @doctorgill

And the Lord rooted them out of the land,.... Which was true both at the Babylonish captivity by Nebuchadnezzar, and at their present one by the Romans; and especially the latter, by whom they have been so rooted out, as that they have not been able to return to it these 1700 years, nor to have any inheritance or possession in it; whereas, at the...

Keil & Delitzsch Lutheran @keilanddelitzsch

Deu 29:26-29 “Gods which God had not assigned them” (vid., Deu 4:19). “All the curses,” etc., are the curses contained in Deut 28:15-68; Lev 26:14-38. - Those who give the answer close their address in Deu 29:29 with an expression of pious submission and solemn admonition.

Commenting on Deuteronomy 29:26-29