Gatchu sipsiyo: Once each game, at the start of any round, you may turn one of your face-down support cards face-up. If that card is not an armor card, card abilities on that card have no effect. At the end of that round, if that card is in play, turn that card face-down.
After successful capaigns against Mongols, Japanese pirates, and Chinese Red Turbans, General Yi Seonggye deposed the Goryeo kings-becoming King Taejo, founder of the Joseon Dynasty.