CyberTech Command Block will make you become a cyborg with many high-tech gadgets such as laser gun, levitation grenade, scanner or droids.
More Structures Command Block 1.12.2, 1.11.2 adds 7 structures (4 in the overworld, 2 in the nether and 1 in the end). You can change the structures to whatever you want. Some include random loot and mobs.
Minecraft Improvements Command Block 1.12.2, 1.11.2 adds torch light, chairs and more to Minecraft.
Temmie Boss Battle Command Block 1.12.2, 1.11.2 adds Temmie from Undertale into Minecraft. The boss spawns randomly at night and has cool abilities.
Piston Boots Command Block 1.12.2 adds Piston Boots to Minecraft. The Piston Boots is an item added by Adventure Backpack that is a bouncy pair of shoes for adventurers.
Scattor Shot Bows Command Block 1.12.2 adds some bows that aren’t craftable. You get them from a magical book.
Hand Cannon Command Block 1.12.2 adds new weapon Hand Cannon to Minecraft. You can fire cannon balls from your hand cannon.
More Plants Command Block 1.12.2, 1.11.2 adds 6 new plants, one of them is coral (Underwater) and the rest are all for land. There are spawn eggs to place them if you want them for decoration and there is also a sign where you can click and it will make them randomly spawn if you wanted the command for survival purposes.
Working Helmet Case Command Block 1.12.2, 1.12 adds Helmet Case to Minecraft which you can showcase the whole entire thing off to your friends. You can put custom head inside.
Boruto Uzumaki Command Block 1.12.2, 1.12 adds Boruto Armor with tons of effects to Minecraft.