Instant do
/effect @p haste 99999 255
for instant-instant
Note: Minify the command to avoid issues :)
OP Gold Stick (blaze rod with every enchant)
OP Smurf Sword
OP Smurf FAS
The Ultimate Sword form Orespawn Mod (before nerf)
GOD SWORD!
GOD SWORD! 1.11.2
The Super Sword
OP DIAMOND SWORD!!!