For 10 points, name this first ruler of the Yuan dynasty, a grandson of Genghis Khan who was visited by Marco Polo.
After this ruler was told that a minister kept human skins in his closet, he ordered the corpse of that man, Ahmad Fanakati, thrown to dogs. This ruler divided his people into four castes, one of which consisted of foreigners called semu. The creation of the Phags-pa script was commissioned by this ruler, whose naval forces were outnumbered ten to one off the coast of Guangdong but still managed to win the Battle of Yamen. Rustichello da Pisa was dictated a narrative of the empire of this ruler, whose garden at Shangdu was called Xanadu by Europeans. For 10 points, name this first ruler of the Yuan dynasty, a grandson of Genghis Khan who was visited by Marco Polo.
After this ruler was told that a minister kept human skins in his closet, he ordered the corpse of that man, Ahmad Fanakati, thrown to dogs.
Kublai Khan [or Khubilai Khan; or Yuan Shizu]