The bosses commands

(Warning like every boss battle be prepared with every gear you got) there are 4 commands for 4 bosses this is what they are: first a diamond armored zombie pigman riding a ghast. Second a diamond zombie with a block diamond for a head and diamond armor. Third a elder gradian that follows you more than a zombie. Fourth is a really angry wolf that does 3 half heart damage and follows you more than a zombie. Here is the link and the command for a command block /give @p command_block  http://pastebin.com/jqaqHUBX