Honestly, luck cannot be the most important factor. I was one of the best two teams in my last 3 cups and won all of them. Maybe luck helped me a bit to beat the second best but just think of what where the odds in my favor if it was just a matter of luck ? Luck helps in one particular game from time to time. But to me, team quality is by miles the most important parameter. Then, tactics. But I started doubting about this one recenty