Mark 14:23
And he took the cup, and when he had given thanks, he gave it to them: and they all drank of it.
Cross-reference
Matthew 26:27
Parallel
Matthew 26:27 is the parallel account of the same cup-giving, with identical wording 'Drink of it, all of you'.
Luke 22:17
Parallel
Luke 22:17 records a similar cup-taking with thanksgiving, parallel to Mark's account of the Last Supper.
1 Corinthians 10:16
Allusion
1 Corinthians 10:16 interprets the cup of blessing as participation in Christ's blood, explaining the meaning of the cup Jesus gave.
Luke 22:18
Parallel
Luke 22:18 records Jesus' vow not to drink of the vine until the kingdom comes, adding an eschatological dimension to the cup from the Last Supper.