Land {T}: Add {1} to your mana pool.
Rare
{B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R} to your mana pool.
"Here did the Extinguisher steal the light from the world. Here will we sacrifice her to bring the Great Rekindling to our people."
—Illulia of Nighthearth
Illus. Rob Alexander

5/1/2007: {(b/r)}, {T}" is the same as saying "{B}, {T} or {R}, {T}.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern