on damage:
if attacker's tool is stone axe named "&c&l&nBAN HAMMER":
command "ban %victim%"
command "broadcast &c&l%victim% was just banned by %attacker%"
command /banhammer:
permission: op
trigger:
give player 1 stone axe named "&c&l&nBAN HAMMER"
send "&aCongrats! you now have a ban hammer!" to player