WARNING: This takes away your hunger sorry about that :(
Note: Minify the command to avoid issues :)
Summon The Wither Without Building It
Summon The EnderDragon
OP Crown
OP Chestplate (you can fly a.k.a glide with this thing)
Red Bull (Aka death and great for trolling)
God Potion
op
SUPER SPEED!!!!!!