Welcome to the Official Redemption® Message Board!
I believe it remains as long as the hero remains in territory or set-aside. Once it goes to hand, deck, or discard it resets.
Nope, you have to permanently mark that card as clay brigade, until the end of time. Soon... they will print a Tclass EC version of Simon that ignores clay brigade, CBN. Slowly but surely, offenses will fall. There is no escape from Simon the Tanner.
Slowly but surely, offenses will fall. There is no escape from Simon the Tanner.