The cup of blessing which we bless, is it not the communion of the blood of Christ? The bread which we break, is it not the communion of the body of Christ?
For we being many are one bread, and one body: for we are all partakers of that one bread.
1 Corinthians 10:16, 17
But now in Christ Jesus ye who sometimes were far off are made nigh by the blood of Christ.
Ephesians 2:13
How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?
And for this cause he is the mediator of the new testament, that by means of death, for the redemption of the transgressions that were under the first testament, they which are called might receive the promise of eternal inheritance.
Hebrews 9:14, 15
Elect according to the foreknowledge of God the Father, through sanctification of the Spirit, unto obedience and sprinkling of the blood of Jesus Christ: Grace unto you, and peace, be multiplied.
1 Peter 1:2
But with the precious blood of Christ, as of a lamb without blemish and without spot:
Who verily was foreordained before the foundation of the world, but was manifest in these last times for you,
Who by him do believe in God, that raised him up from the dead, and gave him glory; that your faith and hope might be in God.
1 Peter 1:19-21
But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanseth us from all sin.
1 John 1:7
This is he that came by water and blood, even Jesus Christ; not by water only, but by water and blood. And it is the Spirit that beareth witness, because the Spirit is truth.
1 John 5:6
And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,
Revelation 1:5