Your best bet is getting a coach that will give you a good protocol and has put people through prep successfully. But just to give you some insight on what kinds of protocols they put 200lb physique/classic guys on , this is what my coach (who has trained several pros) wanted to put me on when I just questioned about competing "1g eq a week, 600+ test , 600 mast , 600 tren, 4-6ius GH to start, nolva 20mgs daily letro 1mg daily , winny 50mgs Anadrol 25mgs" and this is what I would have started with lol and I was already somewhat lean . That kind of protocol will get so much hate on here but competition is a different world . Also not just the oils that goes into it , you'll have to drop test at some point and water/sodium manipulation all play a part