Ah, almost a Reformed Baptist. I am one; mine is the 1689 London Baptist Confession.
On Creeds and Confessions I think I've written about that here on this stream, but if not, I'll create a meme to explain the differences and values of both.
With that said, everyone who is saved ought to believe in the Apostle's Creed, as well as the Nicene Creed. Both are virtually the same, but the latter would be more complete or detailed as it came a little later. .
