Bakufu

From BoardGameGeek:

Bakufu is a competitive and fun strategic card game for 2-4 players, where your choices matter. With multiple paths to victory and game changing cards, how will you outsmart your enemies? It's 1192 AD in Japan and the Emperor is weak. Through either war or peace, you see an opportunity to become the first Shogun of Japan. Each turn, you can build up your castle, attack your rivals with soldiers, play characters to change the game, or choose a peaceful path to victory to establish your new Bakufu government. It's easy to turn the tide towards victory, and fun to foil your enemies' plans! Each game is different, as players can easily change their fortunes to win through two routes: War or Peace: You choose!