if you get someone that can change spawners to do /espawner , it will show a list of what the spawner can be changed to c: but not everything on the list can be used.
Here's the whole list~ Magma Cube Chicken Snowman Cow Pig Slime Skeleton Bat Blaze Ender mite Rabbit Zombie Pigman Zombie Silver fish Mooshroom Cow Guardian Sheep Wolf Villager Ocelot Horse Witch Squid Spider Creeper Cave Spider Enderman
