Nope.
cov·e·nant
[ˈkəvənənt]
NOUN
an agreement.
synonyms: contract · agreement · undertaking · commitment · guarantee · warrant · [more]
VERB
agree, especially by lease, deed, or other legal contract:
"the landlord covenants to repair the property"
synonyms: undertake · contract · guarantee · pledge · promise · agree · engage · [more]
16and said, "By Myself I have sworn, declares the LORD, because you have done this thing and have not withheld your son, your only son,
The blood was the fulfilling of the covenant, not your belief.
Quite irrelevant reference, false dichotomy.Yes, covenants were enacted by blood, but you then conclude that the LORD God must justify all through a covenant-wrong. There is "more to" the NC than just salvation/redemption.......land, resurrected bodies, new spirit.....The NC promises are for the believing remnant of the nation Israel-not the boc.
Members of the boc are justified apart from any covenant, by the blood. You assume that we cannot be justified by the blood, apart from any covenant.
Roman 5 KJV
9 Much more then, being now justified
by his blood, we shall be saved from wrath through him.
Romans 9 KJV
1 I say the truth in Christ, I lie not, my conscience also bearing me witness in the Holy Ghost,
2 That I have great heaviness and continual sorrow in my heart.
3 For I could wish that myself were accursed from Christ for
my brethren, my kinsmen according to the flesh:
4 Who are
Israelites; to whom pertaineth the adoption, and the glory, and
the covenants, and the giving of the law, and the service of God, and
the promises;