Castle Embereth
Land
This land enters tapped unless you control a Mountain.
: Add 
.
: Creatures you control get +1/+0 until end of turn.
Jaime Jones
Throne of Eldraine (ELD)
• #387Rulings
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.
(wotc • 2019-10-04)
Although the common lands have basic land types, they aren't basic lands.
(wotc • 2019-10-04)
Rulings
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.
(wotc • 2019-10-04)
Although the common lands have basic land types, they aren't basic lands.
(wotc • 2019-10-04)