Thank you for clearing that up.
I still object to covenantalism because I cannot see in Scripture that there is only one Covenant in scripture, that is revealed in dispensations, that people are saved by making a covenant with God, or accepting God's covenant with them.
It is heresy for the main reason that the New Covenant (there are many covenants, but they can all be basically summarized in Old or New, or conditional (old) or unconditional (new)) is between the Father and the Son, not sinners and men, "All that the Father gives me will come to me, and whoever comes to me I will never cast out." (John 6:37)
It is also heresy because it takes the sign and seal of the New Covenant, which the Bible says is the Holy Spirit, and turn it into baptism. This results in people thinking they are saved by their baptism, and only need to grow into their faith.
The Old Covenant said, "If you do good, God will bless you." The New Covenant says that Jesus will save everyone whom the Father has chosen. Men have no place in the New Covenant except to be saved.
At it's logical end it denies the depravity of man, that there is only one mediator between God and men (they are mediating for a child in administering baptism), and especially that it rejects faith and the Holy Spirit as coming exclusively from God.