version 1/111117 by Mike Ciul
Section: The Cache Scope After Reading a Command Rule
This is the rule which normally sets the "marked visible" property each turn:
After reading a command (this is the cache scope after reading a command rule):
Cache the scope for the player.
It's listed first in the "after reading a command" rulebook, so other "after reading a command" rules should be able to make use of the "marked visible" property.