Markus Barth (Rediscovering the Lord’s Supper, 45-46) makes a good point that communion celebrates the death and resurrection of Jesus.
“Those celebrating the Lord’s Supper know the pain and shame, the horror and scandal, of Christ’s death. However, they rejoice in the crucifixion and praise the slaughtered Lamb because God has raised him from the dead the crucified Son and has accepted his intercession by enthroning him at God’s right hand. In Paul’s theology, as much as in the message of John, Hebrews, First Peter, and Revelation, the Crucified is always the raised and living Christ. The one who rules the church and the world and who will come again is the crucified Christ. Through Christ alone the godless are justified and reconciled, saved and given peace (Rom. 4:5, 25; 5:1; 8:11; 2 Cor. 4:10-14; 5:14-15, 18-20; Eph. 1:19-23; 4:9-10; Rev. 5). We have abundant reason to rejoice in Christ’s death and to praise the slaughtered yet living Lamb.”