Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

Swamp

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

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

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

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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

Luxury Suite enters tapped unless you have two or more opponents.
{T}: Add {B} or {R}.