Jingpin, Thief Entrepreneur

Flying, Doubestrike, First Strike, Flanking(If this creature attacks a creature without flanking, the blocking creature gets -1/-1 until end of turn)
Monks you control have Doublestrike. Merchants you control have -1/-1
Tribute 5. If tribute was paid, you may hold an additional card in your hand until the end of the game. If Tribute wasn't paid, You lose 5 life and target player loses 4 life.