Many people have spoken about luck, some of them will be quoted here:
Lucius Annaeus Seneca said: “Luck is a matter of preparation meeting opportunity."
Denzel Washington: “I say luck is when an opportunity comes along and you're prepared for it.”
WE (ICCup) say: “Luck is when YOU spend 29 gold and get something from this pool of possibilities:
PRO Account for 30 / 60 / 90 days;
Ladder armor for 7 / 14 / 30 / 90 days;
Ladder bonus for 7 / 14 / 30 / 90 days;
Possibility to remove 1