A sign That gives you blocks from different dimensions.
Note: Minify the command to avoid issues :)
Cyborg's Chestplate
Experimental Lab Potion
Starfire's Pants
Lab Sword
Diamond Gear { one sign }
Hologram Text
Kill sign
Happy BirthDay Card
birdeatert
birdeatert
natemasterninja
iexplosiveking
mysticspyralman
cyarith