Villager Head Expansion Necromancy

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 ~-1 ~8 ~-1 ~2 stained_hardened_clay 3 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-1 ~8 ~-2 ~2 stained_glass 3 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text2:"{\\\"text\\\":\\\"Remove\\\",\\\"color\\\":\\\"black\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~ ~-1 ~7 ~2 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"Throw a \\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\" Dropper, 3 Spider eyes, 3 skulls , and 3 emeralds\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"green\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\" together to get the 3 different Villager heads\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"none\\\\\\\"}]\\\"}}",Text2:"{\\\"text\\\":\\\"Info\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=VilHeCra1] ~ ~ ~ /execute @e[tag=VilHeCra2,r=1] ~ ~ ~ /execute @e[tag=VilHeCra3,r=1] ~ ~ ~ /execute @e[tag=VilHeCra4,r=1] ~ ~ ~ kill @e[type=Item,r=2,c=4]"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=VilHeCra1] ~ ~ ~ /execute @e[tag=VilHeCra2,r=1] ~ ~ ~ /execute @e[tag=VilHeCra3,r=1] ~ ~ ~ /execute @e[tag=VilHeCra4,r=1] ~ ~ ~ /particle explode ~ ~ ~ .2 .2 .2 .001 30"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/execute @e[tag=VilHeCra1] ~ ~ ~ /execute @e[tag=VilHeCra2,r=1] ~ ~ ~ /execute @e[tag=VilHeCra3,r=1] ~ ~ ~ /execute @e[tag=VilHeCra4,r=1] ~ ~ ~ /playsound minecraft:entity.itemframe.remove_item master @a ~ ~ ~ 10"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/execute @e[tag=VilHeCra1] ~ ~ ~ /execute @e[tag=VilHeCra2,r=1] ~ ~ ~ /execute @e[tag=VilHeCra3,r=1] ~ ~ ~ /execute @e[tag=VilHeCra4,r=1] ~ ~ ~ /setblock ~ ~ ~ minecraft:dropper 0 replace {CustomName:Heads,Items:[{Slot:0,id:skull,Damage:3,Count:1,tag:{SkullOwner:{Id:\\\"0a9e8efb-9191-4c81-80f5-e27ca5433156\\\",Properties:{textures:[{Value:\\\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvODIyZDhlNzUxYzhmMmZkNGM4OTQyYzQ0YmRiMmY1Y2E0ZDhhZThlNTc1ZWQzZWIzNGMxOGE4NmU5M2IifX19\\\"}]}}}},{Slot:4,id:skull,Damage:3,Count:1,tag:{SkullOwner:{Id:\\\"6f45ccba-f11e-4d0e-a852-48999cf481a4\\\",Properties:{textures:[{Value:\\\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvNmU4YzVmMzU1ZDFjM2UxMWUyMjlkNjViZDMzZGY4ZTBjZTVhYjY0NDRhODFhODU0NTJjNjFjMWNmYjJkZDllIn19fQ==\\\"}]}}}},{Slot:8,id:skull,Damage:3,Count:1,tag:{SkullOwner:{Id:\\\"da57eff5-66e0-4f15-9363-98a744ef8a89\\\",Properties:{textures:[{Value:\\\"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvYTYyMjQ5NDEzMTRiY2EyZWJiYjY2YjEwZmZkOTQ2ODBjYzk4YzM0MzVlZWI3MWEyMjhhMDhmZDQyYzI0ZGIifX19\\\"}]}}}}]}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add VilHeCra4 {Item:{id:minecraft:dropper}}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add VilHeCra3 {Item:{id:minecraft:spider_eye,Count:3b}}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add VilHeCra2 {Item:{id:minecraft:skull,Count:3b}}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"/scoreboard players tag @e[type=Item] add VilHeCra1 {Item:{id:minecraft:emerald,Count:3b}}"}},{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]}]}]}]}