sneak with powerup ONE COMMAND 1.9 ONLY!!

/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:"/scoreboard objectives add sneak2 stat.sneakTime",Riding:{id:MinecartCommandBlock,Command:"/scoreboard objectives add sneak stat.sneakTime",Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~-1 {Command:"/scoreboard players set @a[score_sneak2_min=0,score_sneak2=0,score_sneak_min=1] sneak 0"},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-2 ~1 {Command:"/scoreboard players set @a[score_sneak2_min=2] sneak2 2"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~-1 {Command:"/scoreboard players remove @a[score_sneak2_min=1] sneak2 1"},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-2 ~1 {Command:"/effect @a[score_sneak_min=50,lm=5] minecraft:invisibility 1 1 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~-1 {Command:"/effect @a[score_sneak_min=50,lm=25] minecraft:speed 1 3 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-2 ~1 {Command:"/effect @a[score_sneak_min=50,lm=50] minecraft:strength 1 1 true"},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-2 ~-1 {Command:"/execute @a[score_sneak_min=200,lm=75] ~ ~ ~ /effect @e[rm=1,r=10] minecraft:glowing 1 1 true"},Riding:{id:MinecartCommandBlock,Command:setblock ~2 ~-2 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:blockdata ~2 ~-2 ~-1 {Command:fill ~ ~ ~1 ~4 ~ ~1 stone},Riding:{id:MinecartCommandBlock,Command:blockdata ~2 ~-2 ~1 {Command:fill ~ ~ ~-1 ~4 ~ ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-1 ~6 ~-2 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~1 ~5 ~-2 ~1 command_block,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}