Panic Gem | Minecraft | 1 Command

/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:/scoreboard objectives add PanicGemCraft dummy},{id:"MinecartCommandBlock",Command:/fill ~2 ~-2 ~-1 ~6 ~3 ~1 minecraft:stained_hardened_clay 14 hollow},{id:"MinecartCommandBlock",Command:/fill ~2 ~-1 ~-1 ~6 ~2 ~1 minecraft:stained_glass 14 replace stained_hardened_clay},{id:"MinecartCommandBlock",Command:setblock ~1 ~2 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~3 ~-.5 ~ 2 2.5 .5 .01 100 normal\\\"}}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"this machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-4 ~-1 ~5 ~1 ~1 air\\\"}}"}},{id:"MinecartCommandBlock",Command:/summon FallingSand ~3 ~-1 ~ {Block:repeating_command_block,Data:5,TileEntityData:{auto:1b,Command:/scoreboard players tag @a remove HoldPanicGem},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players set @e[type=Item] PanicGemCraft 1 {OnGround:1b,Item:{id:"minecraft:emerald",Count:2b}}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:5,TileEntityData:{Command:/scoreboard players set @e[type=Item] PanicGemCraft 2 {OnGround:1b,Item:{id:"minecraft:iron_sword",Count:1b}}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:stained_hardened_clay,Data:14,Time:1,DropItem:0}]}]}]}},{id:"MinecartCommandBlock",Command:/summon FallingSand ~4 ~-1 ~ {Block:chain_command_block,Data:5,TileEntityData:{Command:/scoreboard players tag @a add HoldPanicGem {Inventory:[{tag:{PanicGem:1b}}]}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:4,TileEntityData:{Command:/effect @e[tag=HurtWPGem] minecraft:speed 1 3 true},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:5,TileEntityData:{Command:/execute @e[score_PanicGemCraft_min=1,score_PanicGemCraft=1] ~ ~ ~ execute @e[dx=0,score_PanicGemCraft_min=2,score_PanicGemCraft=2] ~ ~ ~ scoreboard players set @e[c=1,score_PanicGemCraft_min=1] PanicGemCraft 3},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:stained_hardened_clay,Data:14,Time:1,DropItem:0}]}]}]}},{id:"MinecartCommandBlock",Command:/summon FallingSand ~5 ~-1 ~ {Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players tag @a remove HurtWPGem},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:4,TileEntityData:{Command:/scoreboard players tag @a[tag=HoldPanicGem] add HurtWPGem {HurtTime:5s}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:/execute @e[score_PanicGemCraft_min=3] ~ ~ ~ summon Item ~ ~ ~ {Motion:[0.0,0.3,0.0],Item:{Count:1b,id:"minecraft:emerald",tag:{PanicGem:1b,display:{Name:"Panic Gem",Lore:["Gives you speed","after being hurt"]},ench:[]}}}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:4,TileEntityData:{Command:/execute @e[score_PanicGemCraft_min=3] ~ ~ ~ kill @e[c=2,score_PanicGemCraft_min=1]},Time:1,DropItem:0}]}]}]}},{id:"MinecartCommandBlock",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"MinecartCommandBlock",Command:kill @e[r=2,type=MinecartCommandBlock]}]}]}