en 1.8 /summon Mobs & Pets /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:"/give @a iron_block 4",Riding:{id:MinecartCommandBlock,Command:"/tellraw @p [\"\",{\"text\":\"TheRedBuilder\",\"color\":\"red\",\"bold\":true}]",Riding:{id:MinecartCommandBlock,Command:"/tellraw @a [\"\",{\"text\":\"Block pets by\",\"color\":\"yellow\",\"bold\":true}]",Riding:{id:MinecartCommandBlock,Command:"/give @a pumpkin 2",Riding:{id:MinecartCommandBlock,Command:"/give @a snow 2",Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~1 ~1 ~1 stone},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~1 ~1 ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 command_block 0 replace {Command:"/execute @e[type=VillagerGolem] ~ ~ ~ summon FallingSand ~ ~ ~ {Block:\\\"mob_spawner\\\",Data:4}"},Riding:{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 command_block 0 replace {Command:"/execute @e[type=SnowMan] ~ ~ ~ summon FallingSand ~ ~ ~ {Block:\\\"quartz_block\\\",Data:1}"},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~-1 command_block 0 replace {Command:"/execute @e[type=Snowball] ~ ~ ~ summon FallingSand ~ ~ ~ {Block:\\\"fire\\\",Data:0}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text1:"{text:\\\"DESTROY\\\",color:red,clickEvent:{action:\\\"run_command\\\",value:\\\"/tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"Thanks for using my command\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"blue\\\\\\\"}]\\\"},bold:true}",Text4:"{text:\\\"\\\",clickEvent:{action:\\\"run_command\\\",value:\\\"fill ~ ~-3 ~-2 ~5 ~4 ~2 air\\\"}}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\\"How to make a\\\",color:dark_green,clickEvent:{action:\\\"run_command\\\",value:\\\"/say make a snow man\\\"}}",Text2:"{text:\\\"Quartz pet\\\",color:dark_green}",Text3:"{text:\\\"click me to show you\\\",color:dark_green}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{text:\\\"How to make a\\\",color:white,clickEvent:{action:\\\"run_command\\\",value:\\\"/say make a iron golem\\\"}}",Text2:"{text:\\\"Mob spawner pet\\\",color:white}",Text3:"{text:\\\"click me to show you\\\",color:white}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~5 ~-1 ~2 stained_glass 4 replace stained_hardened_clay 14,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-3 ~-2 ~5 ~ ~2 stained_hardened_clay 14 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}}}}}}}}}}}}}}}}}}}}}}}}