I think you are making the same mistake the Pharisees made regarding the Covenant God made with Levi on Israel's behalf.
God "ADDED" to His Laws, Commandments, and Statutes a Covenant with Levi to provide for the forgiveness of sins which included sacrificial "works". A Covenant Abraham was not subject to, but the Children of Israel were. God didn't make this Covenant on Israel's behalf when HE brought them out of Egypt. But "ADDED" this Law, because of Transgressions.
Jer. 7:
22 For I spake not unto your fathers, nor commanded them in the day that I brought them out of the land of Egypt, concerning burnt offerings or sacrifices:
23 But this thing commanded I them, saying, Obey my voice, and I will be your God, and ye shall be my people: and walk ye in all the ways that I have commanded you, that it may be well unto you.
24 But they hearkened not, nor inclined their ear, but walked in the counsels and in the imagination of their evil heart, and went backward, and not forward.
It was because they had built and worshiped another god that God "ADDED" the Law of atonement, by Covenant given exclusively to Levi.
Mal. 2:
4 And ye shall know that I have sent this commandment unto you, that my covenant might be with Levi, saith the LORD of hosts.
5 My covenant was with him of life and peace; and I gave them to him for the fear wherewith he feared me, and was afraid before my name. (Ex. 32:26, please read it)
6 The law of truth was in his mouth, and iniquity was not found in his lips: he walked with me in peace and equity, and did turn many away from iniquity.
7 For the priest's lips should keep knowledge, and they should seek the law at his (God's) mouth: for he is the messenger of the LORD of hosts.
8 But ye are departed out of the way; ye have caused many to stumble at the law; ye have corrupted the covenant of Levi, saith the LORD of hosts.
9 Therefore have I also made you contemptible and base before all the people, according as ye have not kept my ways, but have been partial in the law.
So what did this Same Christ do?
Heb. 8:
7 For if that first covenant had been faultless, then should no place have been sought for the second.
8 For finding fault with them, (Levite Priests who were leading folks astray) he saith, Behold, the days come, saith the Lord, when I will make a new covenant with the house of Israel and with the house of Judah:
It was the Covenant God made with Levi that the Christ promised to change in Jer. 31.
33 But this shall be the covenant that I will make with the house of Israel; After those days, saith the LORD, I will put my law in their inward parts, and write it in their hearts; and will be their God, and they shall be my people.
No more Levite Priests to have exclusive ownership of the Book of the Law. God Himself will provide for the administration of HIS Word. And what do you know, HIS Word is in almost every home in the world, on the web, in almost every store. Truly we need not seek out a Levite Priest to read God's Word for us. For we all shall know Him from the least to the greatest.
34 And they shall teach no more every man his neighbour, and every man his brother, saying, Know the LORD: for they shall all know me, from the least of them unto the greatest of them, saith the LORD: for I will forgive their iniquity, and I will remember their sin no more.
No more Levite Priest to take an animal too. No more "Works of the Law" for justification of the flesh. God Himself provides for atonement.
But The Priests, who Jesus said were children of the devil, who defiled the Covenant God made with them, didn't believe their Priesthood was separate from God's Commandments, Statutes and Laws. They clumped the Laws which defined sin, with the Added Law which provided for the atonement of sins.
So then to them, keeping the Law of Moses meant bringing an animal to the Levite Priest for justification. To not follow these "works of the Law" was a sin against God according to them.
Paul spent much of the New Testament explaining that the flesh is not justified by these Priesthood "works of the law" of atonement.
"MANY" modern preachers also clump the Commandments, Statutes and Laws of God with the Added Levitical Priesthood as well. They preach falsely that if the Law regarding who could hold the office of the Priesthood changed, then the entire Law of God which defines Righteousness, Holy and Clean also changed. They falsely preach that if the slaughter of animals for the atonement of sins became obsolete, then all of God's Laws given in the OT have also become obsolete.
They don't consider that the Christ knew HE would take over the Priesthood "After those days" when HE Separated Levi from all the other peoples of the world, and gave him the Priesthood Covenant. These "works of the law" were always supposed to be temporary, but God's Laws, Statutes and Commandments are always eternal.
This is why Heb. 7-10, which speaks to the promised New Covenant, never mentions any other Law than the Priesthood given to Levi.
The preaching that there is no division between the Levitical Priesthood and God's definition of Righteousness, is a cleaver, subtle deception that has snared many. My hope is that someone might consider this and look into it themselves, as opposed to just believing the doctrines and traditions of religious men. A practice Jesus Himself warned of several times.
