Check out the "OP Smurf Set" at my profile for more understanding
Note: Minify the command to avoid issues :)
OP Smurf Potion
OP Smurf Bow
OP Smurf Sword
Fake Sign (Text: Click to get every OP smurf item(Command:/kill @e))
Diamond Gear { one sign }
Hologram Text
Kill sign
Happy BirthDay Card