TROLL TNT
Command block column
Tutorial viewed times
/give @p minecraft:spawn_egg 1 52 {HideFlags:33,display:{Name:"TROLL TNT"},ench:[{id:35,lvl:0}],EntityTag:{id:"Spider",CustomName:"trolltnt"}}
After making a pillar like I did in the video, please paste these commands in order from the bottom command block to the top one.
/execute @e[name=trolltnt] ~ ~ ~ setblock ~ ~ ~ tnt
/execute @e[name=trolltnt] ~ ~ ~ summon ArmorStand ~ ~ ~ {CustomName:"ASTROLLTNT",NoGravity:1b,Invisible:1,DisabledSlots:2039583}
/tp @e[name=trolltnt] ~ ~-400 ~
/execute @e[name=ASTROLLTNT] ~ ~ ~ scoreboard players tag @e[type=PrimedTnt,r=2] add ACTIVATED
/execute @e[type=PrimedTnt,tag=ACTIVATED] ~ ~ ~ kill @e[name=ASTROLLTNT,r=0]
/entitydata @e[type=PrimedTnt,tag=ACTIVATED] {Fuse:999999}
/execute @e[name=ASTROLLTNT] ~ ~ ~ detect ~ ~ ~ air 0 kill @e[name=ASTROLLTNT,r=0]
/scoreboard players tag @e[type=Item] add WATER {Item:{id:"minecraft:water_bucket"}}
/execute @e[type=Item,tag=WATER] ~ ~ ~ kill @e[type=PrimedTnt,r=1]