Selection Box is just a tool for them to make more money. Go ahead and buy 3 copies of everything with a thousand USD if you want to play competitively in the KC Cup.
And the most important thing, if you get paired with a deck that counters you or has a god hand you can force a disconnect that gives your opponent the win but you get a draw so your kc climb/win streak doesn't get affected in any way
^^^You can't just download it you gotta pay for it, ask him for details in duel links meta discord yeah the guy has free pass to sell cheats in that so beloved community and yeah dkayed is aware of that