Since some of the maps were removed, i found these maps fit for the server benefiting from both being low resource and high grounded just the way the playstyle of our server circles around
zm_torn_camp 550 KBhttps://gamebanana.com/mods/89065
Its has plenty of space to move around and multiple spots for humans to hide and high enough buildings to hold off multiple zms for a good amount of time

zm_x2 1.1 MBhttps://gamebanana.com/mods/89171
This map resembles zm_deko alot while having lots of spots to hide and juke when compared to its similar counterpart it has multiple bridges as well
zm_swamp393 KBhttps://gamebanana.com/mods/89037
This is a very basic map but its still a new map for the server, it has the needed spots and platforms as well