what is good minecraft survivor plugin>?

i need help it is my first time hosting a Minecraft server 1.18!

Shucker spawners I cant emphasize this enough but having only 4 shuckers per seed is annoying it just pisses me off

In terms of behavior packs, RuneCraft. It creates a really entertaining new dynamic to the game. That being said, it goes well if you're into games such as Runescape.