Morale artifacts modify the morale of a hero's troops. If morale is high, there is a greater chance of a creature getting an extra turn in battle. If morale is low, there is a greater chance or a creature losing a turn in battle.
Medal of Courage: morale +1
Medal of Distinction: morale +1
Medal of Honor: morale +1
Medal of Valor: morale +1
Fizbin of Misfortune: morale -2