Address list supports hostnames, but it’s useless for wildcards, because it resolves given hostnames, and it can’t resolve all possible combinations.
But they recently added this interesting thing:
http://forum.mikrotik.com/t/v7-5beta-testing-is-released/159724/119
I didn’t see any official word about it, what was their intention, but it seems that it can be used for what you want.