15 It shall happen that as all the good things have come on you of which Yahweh your God spoke to you, so Yahweh will bring on you all the evil things, until he has destroyed you from off this good land which Yahweh your God has given you,
*Minor differences ignored. Grouped by changes, with first version listed as example.
So shall the Lord bring upon you all evil things - His faithfulness in fulfilling his promises is a proof that he will as faithfully accomplish his threatenings, for the veracity of God is equally pledged for both.
Therefore it shall come to pass, that as all the good things are come upon you which the Lord hath promised you,.... Of which there was full proof, and it could not be denied:
so shall the Lord bring upon you all evil things; calamities and distresses, by his sore judgments of famine, sword, pestilence, evil beasts, and captivity, in case of disobedience to his commands:
until he have destroyed you from off this good land which the Lord your God hath given you; for as he is faithful to his promises, so to his threatenings; and from his punctual performance of the one may be argued and expected the sure fulfilment of the other, and which has been abundantly verified in that people; see Leviticus 26:1 and the notes there.
Evil things - The accomplishment of God's promise is a pledge that he will also fulfil his threatnings; both of them depending upon the same ground, the faithfulness of God.
*More commentary available at chapter level.