SkyHigh skript (100% tested) v1.0 (ChipzzyUHC)

# Custom SkyHigh with toggle-able skyclean! (written by chipzzy)

command /skyhigh <text>:
 usage: /skyhigh <enable:disable:items:clean>
 permission: skript.op
 trigger:
  if arg-1 is "enable" or "on":
   set {skyhigh} to true
   broadcast "&a[&bSky&3High&a]: &bSkyHigh Enabled! &3You must me above Y:105 or you will take 1/2 a heart every 30 seconds!"
  if arg-1 is "disable" or "off":
   set {skyhigh} to false
   broadcast "&a[&bSky&3High&a]: &bSkyHigh Disabled! &3The Ground is now safe!"
  if arg-1 is "items" or "give":
   give 4 snow block to all players
   give 2 pumpkin to all players
   give 2 string to all players
   give 16 feather to all players
   broadcast "&a[&bSky&3High&a]: &bSkyHigh Items Given!"
  if arg-1 is "clean":
   {skyclean} is false:
    set {skyclean} to true
    broadcast "&a[&bSky&3High&a]:  &bSkyClean Enabled!"
   else if {skyclean} is true:
    set {skyclean} to false
    broadcast "&a[&bSky&3High&a]:  &bSkyClean Disabled!"

every 30 seconds:
	loop all players:
		if {skyhigh} is true:
			loop-player's y-coordinate is between 0 and 100
			damage the loop-player by 0.5 hearts
			send "&a[&bSky&3High&a]: &bYou must be above Y - 101. &3You have 30 seconds, start building." to loop-player


on mine of sand:
 {skyclean} is true
 cancel event
 set the event-block to air
 drop 1 glass at the event-block

on mine of snow block:
 {skyclean} is true
 cancel event
 set the event-block to air
 drop 1 snow block at the event-block