I've created an icon for each map currently implemented in Battle Box and Sky battle! Each of these were created from scratch, but try to emulate the pixel art style of the existing icons used on MCCI (not the new queue buttons, the other ones). For maximum unity in the set, each of the icons use the same colour palette, with only Paint Factory using a colour not seen anywhere else (purple).
I tried to capture the spirit of each map without necessarily remaining fully true to how the map is actually laid out. Further, I tried to encapsulate what makes each map unique or take a specific identifying aspect of it. For example, Canal prominently features the flags that line the walls of the arena, while Paint Factory sports the ladders...