/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:"/summon Fire Ball",Riding:{id:MinecartCommandBlock,Command:"/summon Ender Dragon",Riding:{id:MinecartCommandBlock,Command:"/give @p bow 1 0  {display:{Name:\"Battle bow\"},ench:[{id:48,lvl:999},{id:34,lvl:99},{id:49,lvl:15},{id:50,lvl:15},{id:51,lvl:15}]}",Riding:{id:MinecartCommandBlock,Command:"/give @p diamond_sword 1 0 {display:{Name:\"Battle sword\"},ench:[{id:16,lvl:999},{id:34,lvl:99},{id:19,lvl:15}]}",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Ghast]",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Zombie]",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Zombie]",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Creeper]",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Creeper]",Riding:{id:MinecartCommandBlock,Command:"/summon @e [type=Creeper]",Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~3 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~3 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~1 ~ ~1 stone},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~3 ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~1 ~ ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~3 ~-1 command_block 0 replace {Command:"/say prepare and destroy"},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~3 ~1 command_block 0 replace {Command:"/say your doom is here"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"/say this is a battle of terrible measures \\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{text:\\\"Here is your items\\\",color:dark_red,clickEvent:{action:\\\"run_command\\\",value:\\\"/give @p diamond_sword 1 0 {display:{Name:\\\\\\\"Battle sword\\\\\\\"},ench:[{id:16,lvl:999},{id:34,lvl:99},{id:19,lvl:15}]} /give @p bow 1 0  {display:{Name:\\\\\\\"Battle bow\\\\\\\"},ench:[{id:48,lvl:999},{id:34,lvl:99},{id:49,lvl:15},{id:50,lvl:15},{id:51,lvl:15}]}\\\"}}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~3 ~-2 ~5 ~3 ~2 obsidian  replace Emerald_block 0,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~2 ~-2 ~5 ~4 ~2 Emerald_block 0 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}