The Jesus Prayer is from the Bible. "Jesus, son of David, have mercy on me." Also there's the prayer of the Publican, who went away justified, instead of the Pharisee.
We worship on Sunday because that's the day of the Resurrection. I guess Moses is more important to you than Jesus.
St. Paul referred to himself as a spiritual father.
We do not celebrate pagan anything.
The word pagan means polytheist, which we are not. Don't throw around words of which you don't know the meaning.
The fact that you smear St. Constantine but accept St. Paul proves that you believe in neither baptism, nor repentance, nor forgiveness. See, Paul, when he was Saul, killed Christians too. But he repented and was forgiven. So did Constantine, which is why we call him a saint too.
Yesh, you really have made your own Frankenstein church out of body parts. The trouble is, yours exists nowhere outside of you.