Insta Portal | Minecraft | 1 Command

/summon falling_block ~ ~1 ~ {Block:"redstone_block",Time:3,Passengers:[{id:"falling_block",Block:"activator_rail",Time:3,Passengers:[{id:"commandblock_minecart",Command:/gamerule commandBlockOutput false},{id:"commandblock_minecart",Command:/scoreboard objectives add PackTimer dummy},{id:"commandblock_minecart",Command:},{id:"commandblock_minecart",Command:/fill ~2 ~-2 ~-1 ~5 ~5 ~1 concrete 15 hollow},{id:"commandblock_minecart",Command:/fill ~2 ~-1 ~-1 ~5 ~4 ~1 stained_glass 10 replace concrete},{id:"commandblock_minecart",Command:/summon falling_block ~3 ~-1 ~ {Block:repeating_command_block,Data:1,TileEntityData:{auto:1b,Command:/scoreboard players add NetherCharm PackTimer 1},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players test NetherCharm PackTimer 20},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:9,TileEntityData:{Command:/scoreboard players set NetherCharm PackTimer 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:repeating_command_block,Data:9,TileEntityData:{auto:1b,Command:/scoreboard players tag @e[type=item] add NetherCharmA {Item:{id:"minecraft:obsidian",Count:14b},OnGround:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players tag @e[type=item] add NetherCharmB {Item:{id:"minecraft:fire_charge",Count:2b},OnGround:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:5,TileEntityData:{Command:/execute @e[tag=NetherCharmA] ~ ~ ~ /scoreboard players tag @e[type=item,tag=NetherCharmB,dx=0] add NetherCharmC},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:/summon falling_block ~4 ~-1 ~ {Block:chain_command_block,Data:5,TileEntityData:{Command:execute @e[tag=NetherCharmC] ~ ~ ~ kill @e[type=item,c=2,name=!NetherCharmD]},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players tag @a add EmHoldNetherCharm {Inventory:[{Slot:-106b,Count:1b,tag:{NetherCharm:1b}}],Dimension:0}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/scoreboard players tag @a remove EmHoldNetherCharm},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:execute @e[tag=NetherCharmC] ~ ~ ~ summon item ~ ~ ~ {CustomName:"NetherCharmD",Item:{id:"magma_cream",Count:2b,tag:{NetherCharm:1b,ench:[{id:-1}],display:{LocName:"Insta Portal"}}},Motion:[0.0,0.3,0.0]}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:execute @e[tag=EmHoldNetherCharm] ~ ~ ~ /fill ~ ~ ~-1 ~ ~2 ~ portal 2},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:execute @e[tag=EmHoldNetherCharm] ~ ~ ~ /fill ~ ~-1 ~-2 ~ ~3 ~1 obsidian},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:/setblock ~5 ~-1 ~ chain_command_block 1 0 {auto:1b,Command:/replaceitem entity @e[tag=EmHoldNetherCharm] slot.weapon.offhand minecraft:air}},{id:"commandblock_minecart",Command:setblock ~1 ~1 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~3 ~ ~ 1 3 1 .01 75 normal\\\"}}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"this machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-3 ~-1 ~4 ~5 ~1 air\\\"}}"}},{id:"commandblock_minecart",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"commandblock_minecart",Command:kill @e[r=2,type=commandblock_minecart]}]}]}