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Remembrance: One Sacrifice—Calvary—Continued
Roman Catholic Christians take the word of God seriously and seek to remember Christ in the Last Supper “as often as” possible. And in doing this proclaim the death of the Lord until he comes.

1 Cor 11:24-26
“This is my body that is for you. Do this in remembrance of me.” In the same way also the cup, after supper, saying, “This cup is the new covenant in my blood. Do this, as often as you drink it, in remembrance of me.” For as often as you eat this bread and drink the cup, you proclaim the death of the Lord until he comes.
Lk 22:19
“This is my body, which will be given for you; do this in memory of me.”
Catholic Christians also believe that there is only one sacrifice, Jesus’, but following the command “as often as” to proclaim the death of the Lord, the sacrifice of Christ is made physically present to every Christian in all places in every age. The Eucharist makes the atemporal aphysical actions of Christ’s redeeming action truly present to us always and everywhere. This is incarnational.

Following the word of God, Catholics also know that Christ is not and cannot be resacrificed. This has never been the teaching of the Catholic Church.

Heb 10:12
But this one (Jesus) offered one sacrifice for sins ...
Heb 7:27
He has no need, as did the high priests, to offer sacrifice day after day, first for his own sins and then for those of the people; he did that once for all when he offered himself.
Heb 9:25-28
Not that he might offer himself repeatedly ... But now once for all he has appeared at the end of the ages to take away sin by his sacrifice. ... Christ, offered once to take away the sins of many ...
The constant faith of the Church from the Apostolic Fathers attests to the fact that the Mass was the one Sacrifice of Calvary made present to the faithful.

Cyprian (Carthage, 200-258), Letters, No 63:9 (To Caecilian)
In which portion we find that the cup which the Lord offered was mixed, and that that was wine He called His Blood. Whence it appears that the blood of Christ is not offered if there be no wine in the cup, nor the Lord’s sacrifice celebrated with a legitimate consecration unless our oblation and sacrifice respond to His passion.
The 1994 Catechism of the Catholic Church makes this statement explicitly.

Catechism Section 1085
In the Liturgy of the Church, it is principally his own Paschal mystery that Christ signifies and makes present. During his earthly life Jesus announced his Paschal mystery by his teachings and anticipated it by his actions. When his Hour comes, he lives out the unique event of history which does not pass away: Jesus dies, is buried, rises from the dead, and is seated at the right hand of the Father “once for all.” His Paschal mystery is a real event that occurred in our history, but it is unique: all other historical events happen once, and then they pass away, swallowed up in the past. The Paschal mystery of Christ, by contrast, cannot remain only in the past, because by his death he destroyed death, and all that Christ is — all that he did and suffered for all people — participates in the divine eternity, and so transcends all times while being made present in them all. The event of the Cross and Resurrection abides and draws everything toward life.
Catechism Section 1104
Christian liturgy not only recalls the events that saved us but actualizes them, makes them present. The Paschal mystery of Christ is celebrated, not repeated. It is the celebrations that are repeated, and in each celebration there is an outpouring of the Holy Spirit that makes the unique mystery present.

posted from the Catholic Biblical Apologetics website

there you have it, another “untruth” that the “ Catholic Church pretend dies Christ wholly and completely every time a Mass is given.

but God uses the “untruth” to allow me to post the truth about the Eucharist that Christians have believed for 2,000 years to all the unbelievers here.

truly God works for good with those that love Him and are called to His purpose.