Snow Land Frost Marsh enters the battlefield tapped.
Uncommon
{T}: Add {U} or {B} to your mana pool.
"Now caged in Winter's bitter chill,
Our people cry, their voices shrill—
Eternal cold breaks down their will."
—The Dynasty of Winter Kings
Illus. Jim Pavelec
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern