The new and improved hostile mobs! Instructions:
1. Type in chat /give YOUR_NAME minecraft:command_block
2.
Place the command block by right clicking the ground, right click the
command block, copy and paste the command. CTRL+V. or COMMAND+V
3. Power the command block by a redstone source and you will be done.
Changes:
Pigs, Cows, and Chickens have been removed!
Skeletons wield a diamond helmet and a diamond axe, and also gets a speed effect. Zombies do not have armor but they have a lot of strength.
The player gets Weakness III and Slowness I, making it harder to fight mobs.
Spiders get a new improvement, they have more health which makes it harder to kill.