And you are to gather all its plunder in the middle of the public square, and completely burn the city and all its plunder as a whole burnt offering to the LORD your God. The city must remain a mound of ruins forever, never to be rebuilt.
16. And thou shalt gather all the spoil of it. They are commanded to burn all the furniture, and whatever is found in the city; and the reason is subjoined, because it is accursed (anathema) If any city was taken in war, all that God here commands to be burnt was to be counted as spoil, for the Jews would pollute themselves by its very touch.
Here the case is put of a city revolting from its allegiance to the God of Israel, and serving other gods. I. The crime is supposed to be committed, 1. By one of the cities of Israel, that lay within the jurisdiction of their courts. The church then judged those only that were within, Co1 5:12, Co1 5:13.
Commenting on Deuteronomy 13:12-18
And thou shall gather all the spoil of it into the midst of the street thereof,.... All the wealth and substance of the inhabitants, their household goods, shop goods, merchandise, utensils in trade and business, and everything that can be named.