Changes the way he flips so that he gets tokens and then flips if he has a token. This should prevent flip-flip back without Guile getting involved, gives a hook for potential future Challenge rules, and makes it more obvious if you've triggered his flip behaviour.
Changes Lose the War to not lose the game when combined with reveal effects and to be less talkative.
Changes Impossible Endurance to shuffle the trash first so you don't actually need to track trash position
Makes a couple Leviathan changes: