The forge Dungeon

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-2 ~8 ~ ~2 stained_hardened_clay 14 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-1 ~2 stained_glass 2 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add SmithDunCount dummy"},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/scoreboard objectives remove SmithDunCount\\\"}}",Text2:"{\\\"text\\\":\\\"Remove\\\",\\\"color\\\":\\\"black\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-2 ~7 ~2 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"The forge is a new structure that has a 1/6 chance to spawn under a blacksmith building\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"green\\\\\\\"}]\\\"}}",Text2:"{\\\"text\\\":\\\"Info\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ chain_command_block 5 replace {auto:1,Command:"/kill @e[tag=DungenVill]"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~1 chain_command_block 2 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-10 ~-5 ~-4 ~-5 ~-5 ~-4 minecraft:carpet 7"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /setblock ~-9 ~-6 ~4 minecraft:chest 2 replace {LootTable:\\\"chests/end_city_treasure\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /setblock ~-7 ~-6 ~4 minecraft:chest 2 replace {LootTable:\\\"chests/end_city_treasure\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-10 ~-6 ~-4 ~-5 ~-6 ~-4 minecraft:anvil 1"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /setblock ~-5 ~-6 ~4 minecraft:chest 2 replace {LootTable:\\\"chests/end_city_treasure\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 1 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-19 ~-6 ~4 ~-18 ~-6 ~-4 minecraft:lava 0 hollow"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-20 ~-6 ~5 ~-17 ~-6 ~-5 minecraft:stonebrick 0 hollow"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-1 ~-5 ~ ~-1 ~-6 ~ minecraft:air 0"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~1 ~-7 ~1 ~-1 ~-7 ~-1 minecraft:stonebrick 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~-20 ~-3 ~5 ~-1 ~-7 ~-5 minecraft:stonebrick 0 hollow"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /setblock ~ ~ ~ trapdoor 0"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~ ~-1 ~ ~ ~-6 ~ minecraft:ladder 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=DungenVill] ~ ~ ~ /fill ~1 ~-1 ~1 ~-1 ~-6 ~-1 minecraft:stonebrick 0"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/entitydata @e[tag=DungenVill] {NoAI:1}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players reset @a[score_SmithDunCount_min=6] SmithDunCount"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @a[score_SmithDunCount_min=6] ~ ~ ~ /scoreboard players tag @r[tag=Smith,type=Villager] add DungenVill"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[name=blacksmith,tag=!Counted] add Counted"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @e[name=blacksmith,tag=!Counted] ~ ~ ~ /scoreboard players add @a SmithDunCount 1"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/entitydata @e[tag=Smith,type=Villager,name=!blacksmith] {CustomName:blacksmith}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Villager,tag=!Smith] add Smith {Profession:3}"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}