PS Your argument is weak at its face. To say the Catholic Church is pagan because priests wear vestments is akin to saying the US military is a pagan organization because after all, the pagan Roman army wore uniforms too.
Gen. 14:18 Psalm 76:2 Psalm 110:4 Malachi 1:11 Exodus 12:14,17,24; cf. 24:8 Exodus 29:38-39 Lev. 19:22 Jer. 33:18 Zech. 9:15-16 2 Chron. 26:18 Gen. 22:9-13 Exodus 12:5 Exodus 12:7,22-23 Exodus 12:8,11 Exodus 12:43-45; Ezek. 44:9 Exodus 12:49 Exodus 12:47; Num. 9:12 Exodus 16:4-36; Neh 9:15 Exodus 24:9-11 Exodus 29:33 Lev. 7:15 Lev. 17:11,14 Gen. 9:4-5; Deut.12:16,23-24 2 Kings 4:43 2 Chron. 30:15-17; 35:1,6,11,13; Ezra 6:20-21; Ezek. 6:20-21 Neh. 9:15 Psalm 78:24-25; 105:40 Isaiah 53:7 Wis. 16:20 Sir. 24:21 Ezek. 2:8-10; 3:1-3 Zech. 12:10 Zech. 13:1
Deuteronomy 12:30 Take heed to thyself that thou be not snared by following them, after that they be destroyed from before thee; and that thou enquire not after their gods, saying, How did these nations serve their gods? even so will I do likewise. 31 Thou shalt not do so unto the LORD thy God:
Yes I have read all of the genuflecting of religionists trying to justify what they do. God said not to and also said not to add to what He commanded we do and not do.
Oh, and I do have and study the scriptures and have for all of my 65 years on this earth at least from the time I was old enough to hear my dad read scripture and pray at the table. From my experience its the Catholics who are lacking in the knowledge of what scripture actually teaches.