Castle Ardenvale

Land

Castle Ardenvale enters the battlefield tapped unless you control a Plains.
: Add .
, : Create a 1/1 white Human creature token.

2019-10-04:
Once the common lands (such as Mystic Sanctuary) enter the battlefield tapped, there's no way to untap them with a spell or ability to make their last ability trigger.
2019-10-04:
Although the common lands have basic land types, they aren't basic lands.