Slave of Magic

The world has changed as we know it, magic has spread across the world, to every country and all corners of the planet. one such place is the kingdom of Temeria on the Plagos continent. Temeria is surrounded by superpowers of nations on all sides, all trying to get the upper hand in the war of magic. Because of the constant threat of being invaded Temeria developed a unit of the strongest mages in the nation to fight on the front lines, they are called the Magic extermination unit. Each member of the 21 member unit is given a card called an Arcana which gives them a unique magic which is specific to them. One of these mages in an 18 year old boy named Tobias Carter. Unknown to most he is the illegitimate prince of the kingdom, only a few select members of the royal household even know about him. The king, Emir Von Strauss orders him to be killed in battle, the reason? He doesn't want the nation to know about his indiscretion. The king sends mercenaries after him, they find and wound him, leaving him left for dead. Only he didn't die, he survived now he wants to overthrow the corrupt monarchy and bring the country to it's knees by any means necessary.