5 Bible Verses about Sealing A Covenant

Now as they were at table, Jesus took bread, and blessed it, and brake it, and gave it to the disciples, and said, Take, eat; this is my body: and He took the cup, and gave thanks, and gave it to them, saying, Drink ye all of it: for this is my blood, the blood of the new covenant, which is to be shed for many for the remission of sins:read more.
but I tell you, that from henceforth I shall not drink of the fruit of the vine, until that day when I drink it new with you in the kingdom of my Father.

And as they were at table, Jesus took bread, and when He had blessed it He brake it, and gave it to them, and said, Take, eat, This is my body: and He took the cup, and when He had given thanks, He gave it to them: and they all drank of it. And He said unto them, This is an emblem of my blood the seal of the new covenant, which is to be shed for many:read more.
and I assure you, that I will not drink again of the fruit of the vine, till the day when I shall drink it new in the kingdom of God.

And taking the cup He gave thanks and said, Take this and distribute it among yourselves. For I tell you, that I will not drink again of the fruit of the vine, till the kingdom of God shall come. And He took bread, and gave thanks and brake it, and gave it to them, saying, This is my body which is given for you; do this in remembrance of me:read more.
as also the cup after supper, saying, This cup represents the new covenant in my blood, which is shed for you.

For I received from the Lord, that which I also delivered unto you, that the Lord Jesus the same night in which He was betrayed took bread: and gave thanks, and brake it, and said, "Take and eat; this is my body, which is going to be broken for you: this do in remembrance of me." And in the same manner He took the cup, after supper, saying, "This cup is the new covenant ratified in my blood: this do, as often as ye drink of it, in remembrance of me."

and to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than Abel.