Ive always thought anything with - A fragger - Flashes (1-2) - Smokes (1-2) -Intel was the best combo But whats ur thoughts?

I started playing this week and was looking at all the skins in the collection tab but when I go to the store, I only see a small portion of them. How do I see the rest of them?

So yesterday I was playing my second ranked game to get a rank, at the time I was a bit distracted during the game, so my performance was worse than usual. Next thing I know, the entire team started insulting me: "go to iron" "wtf phenixxx...