CREEPER CONFETTI: vanillatweaks.net/

Repurposed Structures Better Dungeons: https://www.curseforge.com/minecraft/texture-packs/repurposed-structures-better-dungeons-datapack
Repurposed Structures Better Witch Huts: https://www.curseforge.com/minecraft/texture-packs/repurposed-structures-better-witch-huts-compat
Repurposed Structures IE: https://www.curseforge.com/minecraft/texture-packs/repurposed-structures-immersive-engineering
Nullscape: https://www.planetminecraft.com/data-pack/nullscape