Command Tower

{T}: Add one mana of any color in your commander's color identity.

Shattered Sanctum

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

{T}: Add one mana of any color that a land an opponent controls could produce.

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

{T}, Pay 1 life: Add {W} or {B}.
{1}, {T}, Sacrifice this land: Draw a card.

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

This land enters tapped unless you control a Plains or a Swamp.
{T}: Add {W} or {B}.

{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.

{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.

{T}: Add {C}.
{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.