Luke 22:20
as also the cup after supper, saying, This cup represents the new covenant in my blood, which is shed for you.
Luke 22:17-18
And taking the cup He gave thanks and said, Take this and distribute it among yourselves.
1 Corinthians 10:16
---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?
1 Corinthians 10:21
And I would not have you partakers with demons. Ye cannot drink of the cup of the Lord, and the cup of demons: ye cannot be partakers of the table of the Lord, and of the table of demons.
1 Corinthians 11:25-27
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."