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Ibn Ezra on Deuteronomy 17:1/אבן עזרא על דברים י״ז:א׳

אלא תזבח לה' אלהיך. הנה כאשר הזכיר האשרה והמצבה הזכיר כי גם הוא אסור לזבוח לשם כל בעל מום:
1THOU SHALT NOT SACRIFICE UNTO THE LORD THY GOD. Look, when Moses mentions the asherah and the pillar he also mentions that it is prohibited to slaughter any blemished animal to God.1 and the pillar are prohibited, he also mentions that it is prohibited to sacrifice any blemished animal to God, for these acts are an abomination to God.
בכל דבר רע. פירוש מום:
2EVEN ANY EVIL THING. Any evil thing explains any blemish.
גכי תועבת. כטעם הקריבהו נא לפחתך ויש עונש לזבחו ואין עונש לאשר איננו זובח כלל חוץ מהחיוב:
3FOR THAT IS AN ABOMINATION. Its meaning is similar to Present it2 now unto thy governor3 (Mal. 12:8). The one who offers it is punished. However, no punishment befalls one who does not sacrifice at all, unless he is obligated to bring an offering.4