Proximity Bombs and Detection

/scoreboard objectives add booom stats.drop

/scoreboard objectives add landmine dummy

/execute @e[score_booom_min=1] ~ ~ ~ scoreboard players set @e[type=Item,r=4] landmine 1 {Item:{id:minecraft:fire_charge,tag:{display:{Name:"Proximity Mine"}}}}

/execute @e[score_landmine_min=1] ~ ~ ~ scoreboard players add @e[score_landmine_min=1,r=4] landmine 1

/execute @e[score_landmine=60,score_landmine_min=1] ~ ~ ~ /particle instantSpell ~ ~1 ~ 1 1 1 0.01 1

/execute @e[score_landmine_min=70] ~ ~ ~ execute @e[type=!Item,r=4] ~ ~ ~ summon PrimedTnt

/scoreboard players set @a[score_booom_min=1] booom 0

/execute @e[team=sapper] ~ ~ ~ execute @e[score_landmine_min=1,r=8] ~ ~ ~ /particle smoke ~ ~1 ~ 1 1 1 0.01 10