Grass Lurkers In Minecraft

Paste into command block! Then go walk in the grass!

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~2 ~-3 ~-2 ~8 ~-1 ~3 stained_hardened_clay 13 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~-2 ~3 stained_glass 13 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add GrassWalk stat.walkOneCm"},{id:MinecartCommandBlock,Command:"/scoreboard objectives add GrassMove stat.sprintOneCm"},{id:MinecartCommandBlock,Command:setblock ~1 ~-3 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Grass Lurkers\\\",\\\"color\\\":\\\"dark_green\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/say Go on, walk in that grass\\\"},\\\"italic\\\":true}",Text2:"{\\\"text\\\":\\\"By\\\",\\\"color\\\":\\\"dark_blue\\\"}",Text3:"{\\\"text\\\":\\\"Curcuit_Block\\\",\\\"color\\\":\\\"dark_blue\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"My YouTube!\\\",\\\"color\\\":\\\"white\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/tellraw @p [\\\\\\\"\\\\\\\",{\\\\\\\"text\\\\\\\":\\\\\\\"My \\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"blue\\\\\\\"},{\\\\\\\"text\\\\\\\":\\\\\\\"You\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"red\\\\\\\",\\\\\\\"clickEvent\\\\\\\":{\\\\\\\"action\\\\\\\":\\\\\\\"open_url\\\\\\\",\\\\\\\"value\\\\\\\":\\\\\\\"https://www.youtube.com/channel/UCZQfwDQXOd_XOyzJHat6Bcg\\\\\\\"}},{\\\\\\\"text\\\\\\\":\\\\\\\"Tube!\\\\\\\",\\\\\\\"color\\\\\\\":\\\\\\\"white\\\\\\\",\\\\\\\"clickEvent\\\\\\\":{\\\\\\\"action\\\\\\\":\\\\\\\"open_url\\\\\\\",\\\\\\\"value\\\\\\\":\\\\\\\"https://www.youtube.com/channel/UCZQfwDQXOd_XOyzJHat6Bcg\\\\\\\"}}]\\\"}}",Text2:"{\\\"text\\\":\\\"Subscribing\\\",\\\"color\\\":\\\"white\\\"}",Text3:"{\\\"text\\\":\\\"helps me make\\\",\\\"color\\\":\\\"white\\\"}",Text4:"{\\\"text\\\":\\\"more of these!\\\",\\\"color\\\":\\\"white\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"Click here\\\",\\\"color\\\":\\\"aqua\\\"}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"red\\\"}",Text3:"{\\\"text\\\":\\\"this from\\\",\\\"color\\\":\\\"red\\\"}",Text4:"{\\\"text\\\":\\\"your world!\\\",\\\"color\\\":\\\"red\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~2 chain_command_block 4 replace {auto:1,Command:"/execute @e[name=FindWhatMob,tag=RandGrassFind1] ~ ~ ~ execute @a[tag=GrassFind] ~ ~ ~ summon Creeper ~ ~ ~ {Motion:[0.0,0.75,0.0],DeathLootTable:\\\"\\\",ExplosionRadius:2,Fuse:35,Health:5,CustomNameVisible:1b,CustomName:\\\"Grass Lurker\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 3 replace {auto:1,Command:"/execute @e[name=FindMob,tag=RandGrassFind1] ~ ~ ~ entitydata @r[tag=RandGrassFind,type=ArmorStand] {CustomName:\\\"FindWhatMob\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/execute @e[tag=GrassFind] ~ ~ ~ entitydata @r[tag=RandGrassFind,type=ArmorStand] {CustomName:\\\"FindMob\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/entitydata @e[tag=RandGrassFind,type=ArmorStand] {CustomName:\\\"NoSelect\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~1 chain_command_block 13 replace {auto:1,Command:"/summon AreaEffectCloud ~-1 ~-1 ~-1 {Passengers:[{id:\\\"ArmorStand\\\",Tags:[\\\"RandGrassFind1\\\",\\\"RandGrassFind\\\"],NoGravity:1b},{id:\\\"ArmorStand\\\",Tags:[\\\"RandGrassFind2\\\",\\\"RandGrassFind\\\"],NoGravity:1b},{id:\\\"ArmorStand\\\",Tags:[\\\"RandGrassFind1\\\",\\\"RandGrassFind\\\"],NoGravity:1b},{id:\\\"ArmorStand\\\",Tags:[\\\"RandGrassFind4\\\",\\\"RandGrassFind\\\"],NoGravity:1b},{id:\\\"ArmorStand\\\",Tags:[\\\"RandGrassFind5\\\",\\\"RandGrassFind\\\"],NoGravity:1b}]}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~1 chain_command_block 5 replace {auto:1,Command:"/testforblock ~ ~ ~-1 minecraft:chain_command_block -1 {SuccessCount:0}"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/testfor @e[r=2,tag=RandGrassFind1,c=3]"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @e[score_GrassMove_min=150] GrassMove 0"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players tag @e[score_GrassMove_min=150] add GrassFind"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players tag @a remove GrassFind"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 4 replace {auto:1,Command:"/scoreboard players set @a[tag=!InGrass] GrassMove 0"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~-1 chain_command_block 3 replace {auto:1,Command:"/execute @a ~ ~ ~ detect ~ ~-1 ~ tallgrass -1 /scoreboard players tag @a[c=1,r=0] add InGrass"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/execute @a ~ ~ ~ detect ~ ~ ~ tallgrass -1 /scoreboard players tag @a[c=1,r=0] add InGrass"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players tag @a remove InGrass"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~-1 chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a GrassWalk 0"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~-1 repeating_command_block 5 replace {auto:1,Command:"/scoreboard players operation @a GrassMove += @p GrassWalk"}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}