"What does the prayer really say?" It prays to God that the Jewish people advance in love of God's name and in faithfulness to his covenant, and attain the fullness of redemption,, through Christ our Lord.
It's always best to stick to the words that are actually there.
What part of “the new and eternal testament” said at the Words of the Consecration makes you believe the Jews don’t need to believe in this eternal testament, i.e. they have a free pass in regards said testament?