1.11 Test Commands!

llama Spit Particles! :
Attach To A Redstone Clock / Circuit : /execute @a ~ ~ ~ /summon minecraft:llama_spit ~ ~3 ~

Better Totem Of Undying! :
Do Command Once ( In Chat ) : /scoreboard objectives add Totem stat.useItem.minecraft.totem
In A Repeating Command Block : /execute @a[score_Test_min=1] ~ ~ ~ /particle hugeexplosion ~ ~1 ~ 1 1 1 0.001 10 force
In A Chain Command Block After The Previous One : /scoreboard players reset @a Test

Vex Particles! :
In A Repeating Command Block: /execute @e[type=minecraft:vex] ~ ~ ~ /particle flame ~ ~1 ~ 0.1 0.1 0.1 0.001 10 force
In A Chain Command Block After The Previous One : /effect @e[type=minecraft:vex] minecraft:invisibility 3 3 true