5 Bible Verses about Sealing A Covenant

While they were eating, Jesus took some bread, and, after saying the blessing, broke it and, as he gave it to his disciples, said: "Take it and eat it; this is my body." Then he took a cup, and, after saying the thanksgiving, gave it to them, with the words: "Drink from it, all of you; For this is my Covenant blood, which is poured out for many for the forgiveness of sins.read more.
And I tell you that I shall never, after this, drink of this juice of the grape, until that day when I shall drink it new with you in the Kingdom of my Father."

While they were eating, Jesus took some bread, and, after saying the blessing, broke it, and gave it to them, and said: "Take it; this is my body." Then he took a cup, and, after saying the thanksgiving, gave it to them, and they all drank from it. "This is my Covenant-blood," he said, "which is poured out on behalf of many.read more.
I tell you that I shall never again drink of the juice of the grape, until that day when I shall drink it new in the Kingdom of God."

Then, on receiving a cup, after saying the thanksgiving, he said: "Take this and share it among you. For I tell you that I shall not, after to-day, drink of the juice of the grape, till the Kingdom of God has come." Then Jesus took some bread, and, after saying the thanksgiving, broke it and gave to them, with the words: "This is my body, [which is now to be given on your behalf. Do this in memory of me."read more.
And in the same way with the cup, after supper, saying: "This cup is the New Covenant made by my blood which is being poured out on your behalf.]

For I myself received from the Lord the account which I have in turn given to you-how the Lord Jesus, on the very night of his betrayal, took some bread, And, after saying the thanksgiving, broke it and said "This is my own body given on your behalf. Do this in memory of me." And in the same way with the cup, after supper, saying "This cup is the new Covenant made by my blood. Do this, whenever you drink it, in memory of me."

to Jesus, the intermediary of a new Covenant, and to the Sprinkled Blood that tells of better things than the blood of Abel.