Deuteronomy 2:20

2:20 (That also is considered to be a land of the Rephaites. The Rephaites lived there originally; the Ammonites call them Zamzummites.

Deuteronomy 17:1

17:1 You must not sacrifice to him a bull or sheep that has a blemish or any other defect, because that is considered offensive to the Lord your God.