Time Bender 1 Command

summon FallingSand ~ ~3 ~ {Block:redstone_block,Time:1,DropItem:0,Passengers:[
{id:"FallingSand",Block:activator_rail,Time:1,DropItem:0},
{id:"MinecartCommandBlock",Command:gamerule commandBlockOutput false,TrackOutput:0},
{id:"MinecartCommandBlock",Command:gamerule logAdminCommands false,TrackOutput:0},
{id:"MinecartCommandBlock",Command:scoreboard objectives add sneak stat.sneakTime,TrackOutput:0},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-2 repeating_command_block 2 replace {Command:scoreboard players tag @e[type=Item] add clock {Item:{id:"minecraft:clock",tag:{display:{Name:"Time_Bender"}}}},auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-3 chain_command_block 2 replace {Command:execute @e[tag=clock] ~ ~ ~ testfor @p[score_sneak_min=0,score_sneak=0],auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-4 chain_command_block 10 replace {Command:execute @e[tag=clock] ~ ~ ~ entitydata @e[dx=0,c=1,type=Item] {Item:{Count:0},CustomName:"Time Bender",CustomNameVisible:1b},TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-5 chain_command_block 10 replace {Command:time add 10,auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-6 chain_command_block 10 replace {Command:execute @e[tag=clock] ~ ~ ~ particle witchMagic ~ ~ ~ 1 1 1 0.1 5,auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-7 chain_command_block 2 replace {Command:execute @e[tag=clock] ~ ~ ~ testfor @p[score_sneak_min=1],auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-8 chain_command_block 10 replace {Command:execute @e[tag=clock] ~ ~ ~ execute @p[score_sneak_min=1,dx=0] ~ ~ ~ time add 500,auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-9 chain_command_block 10 replace {Command:execute @e[tag=clock] ~ ~ ~ entitydata @e[dx=0,c=1,type=Item] {Item:{Count:1},PickupDelay:1s},auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-10 chain_command_block 10 replace {Command:execute @e[tag=clock] ~ ~ ~ particle witchMagic ~ ~ ~ 1 1 1 0.1 5,auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-11 chain_command_block 2 replace {Command:scoreboard players set @p[score_sneak_min=1] sneak 0,auto:1b,TrackOutput:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-12 chain_command_block 2 replace {Command:scoreboard players tag @e[type=Item] add isNetherStar {Item:{id:"minecraft:nether_star"}},TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-13 chain_command_block 2 replace {Command:scoreboard players tag @e[type=Item] add isClock {Item:{id:"minecraft:clock"}},TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-14 chain_command_block 2 replace {Command:execute @e[tag=isClock] ~ ~ ~ execute @e[tag=isNetherStar,dx=0] ~ ~ ~ give @p clock 1 0 {display:{Name:"Time_Bender",Lore:["Drop on the ground to speed up time","By sneaking and dropping, time will increase by 500","","Once dropped, sneak to pick up"]},ench:[]},TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-15 chain_command_block 2 replace {Command:execute @e[tag=isClock] ~ ~ ~ execute @e[tag=isNetherStar,dx=0] ~ ~ ~ kill @e[type=Item,dx=0],TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:setblock ~ ~-1 ~-16 chain_command_block 2 replace {Command:scoreboard players tag @e[type=Item] add clock {Item:{id:"minecraft:clock",tag:{display:{Name:"Time_Bender"}}}},TrackOutput:0,auto:1b}},
{id:"MinecartCommandBlock",Command:tellraw @p ["",{"text":"Thank You for installing my one command creation! By ","color":"gold"},{"text":"CJMinecraft","color":"red","bold":true,"clickEvent":{"action":"open_url","value":"http://youtube.com/channel/UCTkGJvB1v6dfV8ZyryRKPHQ"}}]},
{id:"MinecartCommandBlock",Command:tellraw @p ["\nHow to craft:\n  - Drop a Nether Star on a clock to create a time bender"]},
{id:"MinecartCommandBlock",Command:setblock ~ ~1 ~ chain_command_block 0 replace {Command:fill ~ ~2 ~ ~ ~-2 ~ air,auto:1b}},
{id:"MinecartCommandBlock",Command:summon FallingSand ~ ~5 ~ {Block:redstone_block,Time:1,DropItem:0}},
{id:"MinecartCommandBlock",Command:setblock ~ ~2 ~ command_block 0 replace {Command:kill @e[dx=1,type=MinecartCommandBlock]}},
{id:"MinecartCommandBlock",Command:kill @e[dx=0]}]}