I've been curious which Maps are attacker sided and which Maps are defender sided? Would also love a brief explanation why if possible? I think icebox is considered attack sided and I honestly don't feel that in ranked games, but maybe that...

Can enemy see where you are smoking from? I noticed a small smoke traveling whenever i smoke with omen, but wondering if enemy sees it too. I remember playing hidden in a corner, and smoked across for a team. Wondering if enemy saw the smok...