Emerald tools. Glass doors. Dirt slabs xD Campfires Tents Stone doors. Vampires. Haunted Biome. Unicorns xD Toilets Quartz tools xD EnderZombies Steve mobs.
Timed pistons that go off at a certain time you set. Music specific to each biome Better mod making tools Exclusive items you can only get in dungeons and other generated structures, like weapons, items and other things More additions to the nether to make it more scary Lava monsters Bears Seasons Cherry blossom trees More biomes, like rainforests, meadows, Even a biome where the grass and trees are a lush green like back in Minecraft alpha. Ores for the end like Ender quartz. The red Dragon for the overworld More AI improvements for the villagers
furniture!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! and edible flowers cuz that's nice