This ruler's army became one of the earliest to use arquebuses, with one for every four men.
This man was taken to Prague after his brother was beheaded for the murder of Ulrich II. This ruler's army became one of the earliest to use arquebuses, with one for every four men. This man was shot in the back by three arrows during the Battle of Baia and had to abandon his invasion of Moldavia. Although he was not Italian, this ruler encouraged Renaissance influence and invited Italian scholars to his massive (*) royal library. This man became king after the mysterious death of Ladislaus the Posthumous. This ruler once allied with Vlad the Impaler, but later had him imprisoned after Mehmed II's invasion of Wallachia. This ruler's Black Army besieged Frederick III's capital, Vienna, in 1485. For 10 points, name this son of John Hunyadi, a Hungarian king with a raven-like nickname.
This man was taken to Prague after his brother was beheaded for the murder of Ulrich II.
Matthias Corvinus [or: Matthias I, Matyas I Hunyadi; prompt on: partial answers]