on damage:
    if {combo} is true:
        set maximum damage delay of victim to 0.1 ticks
    else:
        set maximum damage delay of victim to 1 seconds
command /combo <text>:
    trigger:
        if arg 1 is "combo":
            set {combo} to true
            message "&6mode combo"
        if arg 1 is "default":
            set {combo} to false
            message "&6mode default"