I'm not sure where you picked up this broad stereotype that non-Catholic Christians have some type of hierarchy over us that issues dictates as to what prayers we can and cannot say. Perhaps it is not clear to you that the Lord's Prayer was given, not as some canned prayer that we utter when we are unwilling to be real with God, but as a model or guide for prayer which can be summed up in a single acronym - ACTS.
Adoration
Confession
Thanksgiving
Supplication
My soul magnifies the Lord,
And my spirit rejoices in God my Savior.
For He has regarded the low estate of His handmaiden,
For behold, henceforth all generations shall call me blessed.
For He who is mighty has done great things for me, and holy is His name. And His mercy is on those who fear Him from generation to generation.
He has shown strength with His arm:
He has scattered the proud in the imagination of their hearts.
He has put down the mighty from their thrones,
and exalted those of low degree.
He has filled the hungry with good things;
and the rich He has sent empty away.
He has helped His servant Israel, in remembrance of His mercy;
As He spoke to our fathers, to Abraham and to His posterity forever.
Glory be to the Father and to the Son and to the Holy Spirit.
As it was in the beginning, is now and ever shall be, world without end. Amen
Magníficat ánima mea Dóminum,
et exsultávit spíritus meus
in Deo salvatóre meo,
quia respéxit humilitátem
ancíllæ suæ.
Ecce enim ex hoc beátam
me dicent omnes generatiónes,
quia fecit mihi magna,
qui potens est,
et sanctum nomen eius,
et misericórdia eius in progénies
et progénies timéntibus eum.
Fecit poténtiam in bráchio suo,
dispérsit supérbos mente cordis sui;
depósuit poténtes de sede
et exaltávit húmiles.
Esuriéntes implévit bonis
et dívites dimísit inánes.
Suscépit Ísrael púerum suum,
recordátus misericórdiæ,
sicut locútus est ad patres nostros,
Ábraham et sémini eius in sæcula.
Glória Patri et Fílio
et Spirítui Sancto.
Sicut erat in princípio,
et nunc et semper,
et in sæcula sæculórum.
Amen.
Heh, I can think of my own things to say to God.
And even if I couldn’t, Romans 8:26-27, Romans 8:34, and Hebrews 7:25.
I have the Holy Spirit interceding for me according to the will of God, and Jesus is interceding for me as well.
And I should waste my time paying attention to a dead person who may or may not even be in heaven because nobody has been there and come back to verify anyway and I wouldn’t believe them even if they claimed it anyway?
Time spent praying to or focusing on anyone but Jesus or the Father, is time NOT spent praying or focusing on Jesus or the Father.
And it’s called *idolatry*.