Nearly every passive and hostile mob is replaced with a pony or MLP creature:
Ponycraft is a popular Minecraft mod that allows players to explore a new world filled with adorable ponies, exciting quests, and engaging gameplay mechanics. The mod is inspired by the My Little Pony franchise and offers a fresh take on the classic Minecraft experience. ponycraft texture pack
The PonyCraft texture pack transforms Minecraft into a vibrant, pony-filled adventure without changing any game mechanics. Whether you want to build Canterlot, explore the Everfree Forest, or just punch trees as a unicorn, PonyCraft delivers a polished, loving tribute to MLP:FiM. For the best experience, pair it with the Mine Little Pony mod (which adds pony player models and pegasus flight) – but as a standalone texture pack, PonyCraft remains a gold standard of fandom creativity. Nearly every passive and hostile mob is replaced
If by "solid content" you mean textures that remove the "noise" (speckles and random pixels) and look smooth, clean, and cartoonish, these are the gold standards: Whether you want to build Canterlot, explore the