Battlefield Forge | Land | | {T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you. | Darrell Riche
Caves of Koilos | Land | | {T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you. | Jim Nelson
Llanowar Wastes | Land | | {T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you. | Rob Alexander
Shivan Reef | Land | | {T}: Add {C}.
{T}: Add {U} or {R}. Shivan Reef deals 1 damage to you. | Rob Alexander
Sliver Hive | Land | | {T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a Sliver spell.
{5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver. | Igor Kieryluk
Urborg, Tomb of Yawgmoth | Legendary Land | | Each land is a Swamp in addition to its other land types. | John Avon
Yavimaya Coast | Land | | {T}: Add {C}.
{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you. | Anthony S. Waters