What's better about the New Covenant? Christ. That's the point of Hebrews. My beloved Reformed Baptist brothers seem to have missed this.
Baptism is not better than circumcision - the Lord's Supper is not better than the Passover. Instead, Christ's blood is better than the things that point forward or backward to it.
There is a distinction between the bloody forward-pointing signs and the bloodless backward-pointing signs, but it is not that the latter are more effective or better than the former.
Baptism is not "circumcision of the heart" - regeneration is. Both Baptism and Circumcision pictured that.
We feed on Christ by faith - not by our teeth chewing bread or chewing a lamb.
We are saved by the sprinkled blood of Christ - not that of the passover lamb nor by the water of baptism.
There is still a distinction between the outward physical signs and the inward spiritual reality. There is still a difference between the congregation/assembly of those who profess faith and the actual inward reality of profession of faith.
The difference between the New Covenant administration of the Covenant of Grace is Christ. That's what Hebrews says a ton of times. My RB brothers - I think you agree with me 90+% on this - why not that last 10%?
(previously posted on facebook)