Mob Neutralizers In 1 Command

Paste into command block

/summon FallingSand ~ ~1 ~ {Block:"redstone_block",Time:3,Passengers:[{id:"FallingSand",Block:"activator_rail",Time:3,Passengers:[{id:"MinecartCommandBlock",Command:/gamerule commandBlockOutput false},{id:"MinecartCommandBlock",Command:/setblock ~1 ~-2 ~ command_block 5 replace {Command:"/scoreboard teams add Neu"}},{id:"MinecartCommandBlock",Command:/setblock ~2 ~-2 ~ chain_command_block 5 replace {Command:"/scoreboard teams option Neu friendlyfire false",auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~3 ~-2 ~ chain_command_block 5 replace {Command:/scoreboard teams join Neu @a,auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~4 ~-2 ~ chain_command_block 5 replace {Command:/scoreboard players tag @e[type=Item] add NeuM {OnGround:1b,Item:{tag:{NeuM:1b}}},auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~5 ~-2 ~ chain_command_block 5 replace {Command:/execute @e[tag=NeuM,name=!EnSpawn] ~ ~ ~ execute @e[c=1,r=1,type=!Item] ~ ~ ~ scoreboard teams join Neu @e[c=1],auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~6 ~-2 ~ chain_command_block 5 replace {Command:/execute @e[tag=NeuM,name=!EnSpawn] ~ ~ ~ particle happyVillager ~ ~.1 ~ 1 0 1 .01 75 normal @a,auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~7 ~-2 ~ chain_command_block 5 replace {Command:kill @e[tag=NeuM,name=!EnSpawn],auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~8 ~-2 ~ chain_command_block 1 replace {Command:/scoreboard players tag @e[type=Item] add EmNu {Item:{Count:5b,id:"minecraft:emerald"},OnGround:1b},auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~8 ~-1 ~ chain_command_block 4 replace {Command:/scoreboard players tag @e[type=Item] add EnNu {Item:{Count:2b,id:"minecraft:experience_bottle"},OnGround:1b},auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~7 ~-1 ~ chain_command_block 4 replace {Command:/execute @e[tag=EnNu] ~ ~ ~ execute @e[dx=0,tag=EmNu] ~ ~ ~ summon Item ~ ~1.5 ~ {Item:{id:"minecraft:emerald",Count:4b,tag:{display:{Name:"Mob Neutralizer"},ench:[],NeuM:1b}},CustomName:"EnSpawn",Motion:[0.0,0.3,0.0]},auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~6 ~-1 ~ chain_command_block 4 replace {Command:/execute @e[tag=EnNu] ~ ~ ~ execute @e[dx=0,tag=EmNu] ~ ~ ~ scoreboard players tag @e[c=1,tag=EnNu] add CraftedNu,auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~5 ~-1 ~ chain_command_block 4 replace {Command:/execute @e[tag=EnNu] ~ ~ ~ execute @e[dx=0,tag=EmNu] ~ ~ ~ scoreboard players tag @e[c=1,tag=EmNu] add CraftedNu,auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~4 ~-1 ~ chain_command_block 1 replace {Command:kill @e[tag=CraftedNu],auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~3 ~-1 ~ chain_command_block 1 replace {Command:/setblock ~-2 ~ ~ air,auto:1b}},{id:"MinecartCommandBlock",Command:/setblock ~2 ~-1 ~ command_block 5 replace {Command:summon FallingSand ~-1 ~ ~ {Block:"redstone_block",Time:3,Motion:[0.0,0.3,0.0]}}},{id:"MinecartCommandBlock",Command:summon FallingSand ~1 ~-1 ~ {Time:3,Block:"redstone_block",}},{id:"MinecartCommandBlock",Command:kill @e[r=2,type=MinecartCommandBlock]}]}]}