An add-on for Nidokoenig's My Little Fortress: Friendship is Magma mod.

-Wild Tyranid Ponies as ubiquitous large predators (Gaunt, Ravener, Lictor, Trygon, Tyrant) and semimegabeasts (Carnifex)
-The Dark Voice entity, consisting of Tyrapony Gaunts and Raveners, as well as Zerg Hydralisks, Ultralisks, Infested Ponies and Hybrids
-Also Zerg Defilers (semimegabeast) and Brutalisks (megabeast)
-Blade Pony caste for the pony races
-New non-evil Pony race: Warped Ponies.
-Several new metals and alloys, including bio-alloys produced using special plants [resources from Katana's Slime Lands used].
-Rainbow factory.