For 10 points, name this Yuan Dynasty Emperor visited by Marco Polo, the grandson of Genghis Khan.
An expedition this ruler sent against Java was betrayed by his local client Raden Wijaya, who expelled his army and founded the Majapahit Kingdom. Tibetan lamas held a special place at his court thanks to his  yon-mchod  alliance with Phags-pa  (pogs-pah) . After winning a succession war against his brother Ariq Böke, he conquered southern (*)  China with his pyro-curious general Bayan Hundred Eyes. This creator of a four-tier "nationalities policy" was the first Emperor of China to mandate the use of paper money, whose value deteriorated due to constant military ventures, such as his  kamikaze -foiled invasion of Japan. For 10 points, name this Yuan Dynasty Emperor visited by Marco Polo, the grandson of Genghis Khan.
An expedition this ruler sent against Java was betrayed by his local client Raden Wijaya, who expelled his army and founded the Majapahit Kingdom.
 Kublai  Khan [or Yuan  Shizu ] 