Hello! This is for all who have the problem with worldguard and mob-spawning rule & a condition to check every state region flag. If you want to use the wgflag condition you need atleast WorldGuard 6.1.3 (6.2 that is, i guess) the mob option works well on all worldguard versions.
https://github.com/BerndiVader/mmWorldGuardMobSpawning
WorldGuard mob-spawning support
for WorldGuard 6.1.3 or higher and for MythicMobs 4 or higher, support for Spigot 1.8.8 -...
Worldguard mob-spawning rules & flags
https://github.com/BerndiVader/mmWorldGuardMobSpawning
WorldGuard mob-spawning support
for WorldGuard 6.1.3 or higher and for MythicMobs 4 or higher, support for Spigot 1.8.8 -...
Worldguard mob-spawning rules & flags