Can someone please help me?

I am planning to buy some mac make up soon, I have no idea what to buy.... I have watched some videos on youtube but i can't still decide. I have a £200 budget... And i am really wanting to try their eyeshadows. As there is no store near me i have to order my stuff online.
So please can you give me adive on what to buy... I have fair skin and green eyes and i like natural make up.
Thanking you and sorry i haven't posted in a while. My love life sucks atm!!! :'(