Minigame TNT | 1 Command | Minecraft

/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:/fill ~2 ~-2 ~-1 ~5 ~2 ~1 minecraft:stained_hardened_clay 14 hollow},{id:"MinecartCommandBlock",Command:/fill ~2 ~-1 ~-1 ~5 ~1 ~1 minecraft:stained_glass 0 replace minecraft:stained_hardened_clay},{id:"MinecartCommandBlock",Command:/summon FallingSand ~3 ~-1 ~ {Block:repeating_command_block,Time:1,Data:5b,TileEntityData:{auto:1b,Command:/scoreboard players tag @e[type=PrimedTnt] add MGT {Fuse:40s}},Passengers:[{id:"FallingSand",Time:1,Block:"chain_command_block",Data:1,TileEntityData:{Command:/execute @e[tag=MGT] ~ ~ ~ summon Creeper ~ ~ ~ {Fuse:0s,ExplosionRadius:-4,CustomName:"Tnt"}},Passengers:[{id:"FallingSand",Block:chain_command_block,Time:1,Data:1b,TileEntityData:{Command:kill @e[tag=MGT]}}]}]}},{id:"MinecartCommandBlock",Command:/summon FallingSand ~4 ~-1 ~ {Block:chain_command_block,Time:1,Data:1,TileEntityData:{Command:/execute @e[tag=MGT] ~ ~ ~ /summon FireworksRocketEntity ~ ~ ~ {NoGravity:1b,LifeTime:0,FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Colors:[16711680,16756992],FadeColors:[16776960,16752384]},{Type:0,Colors:[16711680,16756992],FadeColors:[16776960,16756992]}]}}}}},Passengers:[{id:"FallingSand",Time:1,Block:"chain_command_block",Data:4,TileEntityData:{Command:/execute @e[tag=MGT] ~ ~-.25 ~ /summon FireworksRocketEntity ~ ~ ~ {NoGravity:1b,LifeTime:1,FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Colors:[16711680,16756992],FadeColors:[16776960,16752384]},{Type:0,Colors:[16711680,16756992],FadeColors:[16776960,16756992]}]}}}}},Passengers:[{id:"FallingSand",Block:stained_hardened_clay,Time:1,Data:14}]}]}},{id:MinecartCommandBlock,Command:setblock ~1 ~1 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"Click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~2.5 ~-.5 ~ 2 2.5 1 .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 ~ ~-3 ~-1 ~4 ~1 ~1 air\\\"}}"}},{id:"MinecartCommandBlock",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"MinecartCommandBlock",Command:kill @e[r=2,type=MinecartCommandBlock]}]}]}