Mob Spawner not working properly-Its really ineffective since mobs dont spawn constantly : r/Minecraft
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
Summon Mob Command Generator Minecraft Mod
How to Make a Mob Spawner in Minecraft (with Pictures) - wikiHow