You need to read some more Scripture. The New Covenant fulfills the Old Covenant. The New Testament fulfills the Old Testament.
Quiz for today —
How many Gospel writers quote the Old Covenant and the Old Testament?
LOL!
Really? I'd a never known that. Puh-lease. I think you need to ACTUALLY READ the Scripture yourself, seeking discernment through The Holy Spirit and see what God actually wrote instead of what the Magicsterium* tells you God wrote.
You really should; Rome has you (and sadly many,many more) snowed.
Hoss
*Quixificated description