variables:
        {diamonds.%player%}=0
        {rand}=0
        {count}=0
        {balance}=false
command /balance:
        description:Enables Balance
        permission:skript.op
        trigger:
                broadcast "<orange>Balance has been enabled"
                set {balance} to true
                loop all players:
                        set {diamonds.%loop-player%} to 0
command /unbalance:
        description:Disable Balance
        permission:skript.op
        trigger:
                broadcast "<orange>Balance has been disabled"
                set {balance} to false
                loop all players:
                        set {diamonds.%loop-player%} to 0
on mine of diamond ore:
        if {balance} is true:
                if {diamonds.%player%} is greater than 4:
                        set {count} to ({diamonds.%player%}-3)
                        set {rand} to a random integer between 1 and {count}
                        if {rand} is not 1:
                                cancel event
                                delete block
                        if {rand} is 1:
                                add 1 to {diamonds.%player%}
                                add 1 to {count}
                                send "<orange>Diamonds now have a 1/%{count}% chance to drop!" to player
                if {diamonds.%player%} is less than 5:
                        add 1 to {diamonds.%player%}
                        if {diamonds.%player%} is 5:
                                send  "<orange>Uh oh! Diamonds might disappear when mined now!" to player