Command Tower

Tower Winder

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

This land enters tapped.
{T}: Add {U}, {B}, or {R}.

This land enters tapped.
{T}: Add {B}.
Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {B}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped.
{T}: Add {B} or {R}.