Ally Encampment | Land | | {T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast an Ally spell.
{1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand. | Jonas De Ro
Canopy Vista | Land | Forest Plains | ({T}: Add {G} or {W}.)
Canopy Vista enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette
Cinder Glade | Land | Mountain Forest | ({T}: Add {R} or {G}.)
Cinder Glade enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette
Lumbering Falls | Land | | Lumbering Falls enters the battlefield tapped.
{T}: Add {G} or {U}.
{2}{G}{U}: Lumbering Falls becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land. | Titus Lunter
Prairie Stream | Land | Plains Island | ({T}: Add {W} or {U}.)
Prairie Stream enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette
Sanctum of Ugin | Land | | {T}: Add {C}.
Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle. | James Paick
Shambling Vent | Land | | Shambling Vent enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land. | Jung Park
Shrine of the Forsaken Gods | Land | | {T}: Add {C}.
{T}: Add {C}{C}. Spend this mana only to cast colorless spells. Activate only if you control seven or more lands. | Daniel Ljunggren
Smoldering Marsh | Land | Swamp Mountain | ({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette
Sunken Hollow | Land | Island Swamp | ({T}: Add {U} or {B}.)
Sunken Hollow enters the battlefield tapped unless you control two or more basic lands. | Adam Paquette