Sacred Foundry

Adanto Vanguard

1W

Clifftop Retreat

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

Pride of Conquerors

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Creatures you control get +1/+1 until end of turn. If you have the city's blessing, those creatures get +2/+2 until end of turn instead.

Skymarcher Aspirant

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Skymarcher Aspirant has flying as long as you have the city's blessing.

Mountain

({T}: Add {R}.)