Custom Mob Spawner Mod (1.12.2, 1.10.2) - Control How Mobs Can Spawn - 9Minecraft.Net
Gamer Geeks - Small patch update on the Minecraft Mob Generator (v0.5.3 & v0.5.4) https://buff.ly/35UqoCb Added: Options for, the rest of the simple mobs (only difficult ones left now) Added: Raid options
Tutorials/Mob farm – Minecraft Wiki
How to Make a Mob Spawner in Minecraft (with Pictures) - wikiHow