Minecraft 1.9 Halloween in 1 command!

/summon FallingSand ~ ~1 ~1 {Passengers:[{id:FallingSand,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:setblock ~4 ~-1 ~0 repeating_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/entitydata @e[type=!ArmorStand] {ArmorItems:[{},{},{},{id:skull,Damage:3,tag:{SkullOwner:{Id:"c3965e1c-d257-4af7-a09f-a0a5a250b42f",Properties:{textures:[{Value:"eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvMThhNDJmNTk3NTZiN2Q0Y2FmZjhjNDY2ZmMxNWRmNzljODIxODhkMjk0ZGE4NmNlZjRmMjgzNmJiZDk4ZDE1In19fQ=="}]}}}}]}}},{id:MinecartCommandBlock,Command:setblock ~5 ~-1 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/gamerule commandBlockOutput false}},{id:MinecartCommandBlock,Command:setblock ~6 ~-1 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/entitydata @e {IsBaby:1}}},{id:MinecartCommandBlock,Command:setblock ~7 ~-1 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/entitydata @e {Offers:{Recipes:[{buy:{id:"bowl",Count:1},maxUses:9999999,sell:{id:"sugar",Count:10,tag:{display:{Name:"Ghost Candy"},ench:[]}},rewardExp:false}]}}}},{id:MinecartCommandBlock,Command:setblock ~7 ~0 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/entitydata @e {Size:0}}},{id:MinecartCommandBlock,Command:setblock ~6 ~0 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players set @a holdingCandy 0}},{id:MinecartCommandBlock,Command:setblock ~5 ~0 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players set @a holdingCandy 1 {SelectedItem:{id:minecraft:sugar,tag:{display:{Name:"Ghost Candy"}}}}}},{id:MinecartCommandBlock,Command:setblock ~4 ~0 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players set @e[type=ArmorStand] detectCandy 1 {HandItems:[{id:"minecraft:sugar"}]}}},{id:MinecartCommandBlock,Command:setblock ~4 ~1 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/execute @e[score_detectCandy_min=1] ~ ~ ~ scoreboard players set @p detectCandy 1}},{id:MinecartCommandBlock,Command:setblock ~5 ~1 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/kill @e[type=ArmorStand,name=candy]}},{id:MinecartCommandBlock,Command:setblock ~6 ~1 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/execute @a[score_holdingCandy_min=1] ~ ~ ~ summon ArmorStand ~ ~ ~ {CustomName:"candy",ShowArms:1,Invisible:1}}},{id:MinecartCommandBlock,Command:setblock ~7 ~1 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players remove @a[score_batTime_min=1] batTime 1}},{id:MinecartCommandBlock,Command:setblock ~7 ~2 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/execute @a[score_detectCandy_min=1] ~ ~ ~ scoreboard players add @p batTime 400}},{id:MinecartCommandBlock,Command:setblock ~6 ~2 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/clear @a[score_batTime=0] elytra}},{id:MinecartCommandBlock,Command:setblock ~5 ~2 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/effect @a[score_batTime_min=1] invisibility 1 0 true}},{id:MinecartCommandBlock,Command:setblock ~4 ~2 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/effect @e[name=batFly] minecraft:invisibility 9999 1 true}},{id:MinecartCommandBlock,Command:setblock ~4 ~3 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/tp @e[name=batFly] ~ -1000 ~}},{id:MinecartCommandBlock,Command:setblock ~5 ~3 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/execute @a[score_batTime_min=1,rx=20,rxm=-90,score_inAir_min=1] ~ ~ ~ summon Slime ~ ~ ~ {CustomName:batFly,Invulnerable:1,NoAI:1,Invisible:1,Silent:1,ActiveEffects:[{Id:14,Amplifier:0,Duration:20,ShowParticles:0b}]}}},{id:MinecartCommandBlock,Command:setblock ~6 ~3 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players set @a inAir 0}},{id:MinecartCommandBlock,Command:setblock ~7 ~3 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/effect @a[score_batTime_min=1] minecraft:jump_boost 1 7 true}},{id:MinecartCommandBlock,Command:setblock ~7 ~4 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/effect @a[score_batTime_min=1] minecraft:resistance 1 1 true}},{id:MinecartCommandBlock,Command:setblock ~6 ~4 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players reset @a[score_batTime=0] batTime}},{id:MinecartCommandBlock,Command:setblock ~5 ~4 ~0 chain_command_block 4 replace {TrackOutput:0b,auto:1b,Command:/execute @a[score_detectCandy_min=1] ~ ~ ~ give @p minecraft:elytra 1 0 {display:{Name:"Wear Me For Ghost Mode"},ench:[],Unbreakable:1}}},{id:MinecartCommandBlock,Command:setblock ~4 ~4 ~0 chain_command_block 1 replace {TrackOutput:0b,auto:1b,Command:/scoreboard players reset @a detectCandy}},{id:MinecartCommandBlock,Command:setblock ~4 ~5 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/effect @a[score_batTime=100] glowing 1 1 true}},{id:MinecartCommandBlock,Command:setblock ~5 ~5 ~0 chain_command_block 5 replace {TrackOutput:0b,auto:1b,Command:/scoreboard teams join redName @a}},{id:MinecartCommandBlock,Command:/scoreboard objectives add holdingCandy dummy},{id:MinecartCommandBlock,Command:/scoreboard objectives add batTime dummy Timer},{id:MinecartCommandBlock,Command:/scoreboard objectives add detectCandy dummy},{id:MinecartCommandBlock,Command:/scoreboard objectives add inAir stat.flyOneCm},{id:MinecartCommandBlock,Command:/scoreboard teams add redName},{id:MinecartCommandBlock,Command:/scoreboard teams option redName color red},{id:MinecartCommandBlock,Command:/tellraw @a ["",{"text":"1 Command Halloween [Year 1] by system_update [Click Here]","color":"green","clickEvent":{"action":"open_url","value":"https://www.youtube.com/channel/UCLkvExwQlV_nNC27_C-8nSA"},"hoverEvent":{"action":"show_text","value":{"text":"","extra":[{"text":"To my YouTube channel"}]}}}]},{id:MinecartCommandBlock,Command:/tellraw @a ["",{"text":"The flying concept by Sancarn [Click For Channel] ","color":"red","clickEvent":{"action":"open_url","value":"https://www.youtube.com/user/Sancarn"},"hoverEvent":{"action":"show_text","value":{"text":"","extra":[{"text":"To Sancarn's YouTube channel"}]}}},{"text":"[For His Video]","color":"red","clickEvent":{"action":"open_url","value":"https://www.youtube.com/watch?v=M6fYdZeAf5Q"},"hoverEvent":{"action":"show_text","value":{"text":"","extra":[{"text":"To his flying concept video"}]}}}]},{id:MinecartCommandBlock,Command:/tellraw @a ["",{"text":"Turned into one command using ReduxRedstone's 1.9 one command generator [Click Here]","color":"gold","clickEvent":{"action":"open_url","value":"http://mctoolbox.me/onecmd2/"},"hoverEvent":{"action":"show_text","value":{"text":"","extra":[{"text":"Click For The Generator Website"}]}}}]},{id:MinecartCommandBlock,Command:summon ArmorStand ~2 ~-.5 ~ {Marker:1,Invulnerable:1,Invisible:1,NoGravity:1,CustomName:Halloween Ghosts,CustomNameVisible:1}},{id:MinecartCommandBlock,Command:fill ~3 ~-2 ~-1 ~8 ~6 ~1 stained_hardened_clay 13 replace air 0},{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~8 ~5 ~1 stained_glass 1 replace stained_hardened_clay 13},{id:MinecartCommandBlock,Command:setblock ~ ~-2 ~ command_block 0 replace {auto:1b,Command:fill ~ ~ ~ ~2 ~3 ~ air 0}},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=10]}]}]}]}]}