Well I must admit I did overreact when I saw what you typed the first time, but now that you have made it more clear what you were thinking of i kinda like it, though i prefer SilenceotClams's idea. I do have 1 question though. When do new vanguards get reassigned after the death of the first ones? Because it would be highly unrealistic that after his guard units die a general is just simply continuing to walk his army around with no protection at all. What I was thinking of was like if he uses his vanguards to attack and they die (or get injured if you wanna go the way Civ V did) he can choose new vanguards on HIS next turn. I would also make it a pop-up like build orders or techs are aswell as centering on the stack he is choosing vanguards too. Feel free do (dis)agree and post suggestions.