Halloween Night is an add-on that adds 30 new blocks, 15 new items and 2 new entities to the game.
Select version for changelog:
Changelog
1.Addon release.
2. New masks: Cow, Mushroom cow, Mushroom brown cow, Wither skeleton, Husk, Pig, Pufferfish, Zombie pig.
3.Halloween Wandering Villager trades updated.