def get_rarest_card(self):
    uncommon_counter = 0
    common_counter = 0
    rare_counter = 0
    mythic_rare_counter =0
    mythic_rare_cards=[]
    uncommon_color_list=[]
    common_color_list=[]
    rare_color_list=[]
    mythicrare_color_list=[]

for eachCard in self.cardlist:
    if eachCard.rarity=="Uncommon":
        uncommon_counter = uncommon_counter + 1
        uncommon_color_list.append(eachCard.get_colors())
    elif eachCard.rarity=="Common":
        common_counter=common_counter + 1
        common_color_list.append(eachCard.get_colors())
    elif eachCard.rarity=="Rare":
        rare_counter = rare_counter + 1
        rare_color_list.append(eachCard.get_colors())
    elif eachCard.rarity=="Mythic Rare":
        mythic_rare_cards.append(eachCard.get_name())
        mythic_rare_counter = mythic_rare_counter + 1
        mythicrare_color_list.append(eachCard.get_colors())
return(mythic_rare_cards)