What does baptism do? It saves:
1 Peter 3:21 Baptism, which corresponds to this, now saves you, not as a removal of dirt from the body but as an appeal to God for a good conscience, through the resurrection of Jesus Christ,
It forgives sins:
Acts 2:37-38 Now when they heard this they were cut to the heart, and said to Peter and the rest of the apostles, “Brothers, what shall we do?”And Peter said to them, “Repent and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.
The Nicene Creed:
I acknowledge one baptism for the remission of sins;
The Belgic Confession:
…as water washes away the filth of the body when poured upon it, and is seen on the body of the baptized when sprinkled upon him, so does the blood of Christ by the power of the Holy Spirit internally sprinkle the soul, cleanse it from its sins, and regenerate us from children of wrath unto children of God.
The Service Book and Hymnal of the Lutheran Church:
Then the Minister, laying his hand on the head of the Child, shall say: Almighty God, the Father of our Lord Jesus Christ, who hath begotten thee again of Water and the Holy Ghost, and hath forgiven thee all thy sin, strengthen thee with his grace unto life everlasting. Amen.
The Book of Common Prayer:
Seeing now, dearly beloved brethren, that this Child is regenerate, and grafted into the body of Christ’s Church, let us give thanks unto Almighty God for these benefits;