Hallowed Fountain

({T}: Add {W} or {U}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Azorius Chancery

This land enters tapped.
When this land enters, return a land you control to its owner's hand.
{T}: Add {W}{U}.

This land enters tapped unless you control two or more other lands.
{T}: Add {W} or {U}.

This land enters tapped unless you control two or fewer other lands.
{T}: Add {W} or {U}.

This land enters tapped unless you have two or more opponents.
{T}: Add {W} or {U}.

This land enters tapped.
Indestructible
{T}: Add {W} or {U}.