Had you thought of a mod that would allow you to create spawners in survival? This mod does exactly that, but everything has a cost, so this Add-on is no exception
Select version for changelog:
Changelog
The diamond egg design was changed to look more like a diamond; The mob spawner crafting was changed because a comment give me the idea; And finally, the craftings were modified because the previus ones i didn't like
I hope you like it