SageMC Is a virtual server where you can build anything you want.
SageMC has the following game modes:

Survival and Creative.
Survival is an economy based server where everything depends on money.
You can protect your builds with claims.
At Creative you can realize your own amusement park. With 201x201 plots, youll have plenty of room to build anything you want.
Take advantage of WorldEdit, HeadDataBase, TrainCarts and much more.

Server is over 10 years old and still being maintained. With new features, for ranked people and people with a default rank.