Drowned Spawner 4 Hardened Obsidian 4 Compressed Rotten Flesh 1 Zombie Spawner Drowned have the chance to drop Tridents, which is why I feel a zombie spawner is more suited than a pig spawner. Ghast Spawner 4 Hardened Obsidian 2 Compressed Ghast Tears 2 Compressed Quartz 1 Pig Spawner Ghasts drop ghast tears which are the best for farming Mcmmo Alchemy, as well as give off 5 exp when killed. If anything I'd like ghast spawners added for flexibility with push-based mob farms. Zombie Pigman Spawner 4 Hardened Obsidian 2 Compressed Rotten Flesh 2 Compressed Gold Ingots 1 Zombie Spawner To farm gold for the Healing Axe recipe as well as Villager Spawner recipe Slime Spawner 4 Hardened Obsidian 4 Compressed Slime Balls 1 Pig Spawner To farm slimeballs to use for sticky-pistons. Spider Spawner 4 Hardened Obsidian 4 Compressed String 1 Pig Spawner Used to farm string for cactus farms.