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+
Blighted Fen | Land | | {T}: Add {C}.
{4}{B}, {T}, Sacrifice Blighted Fen: Target opponent sacrifices a creature. | Jonas De Ro
Mortuary Mire | Land | | Mortuary Mire enters the battlefield tapped.
When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.
{T}: Add {B}. | 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
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
Swamp | Basic Land | Swamp | ({T}: Add {B}.) | Noah Bradley
Swamp | Basic Land | Swamp | ({T}: Add {B}.) | Sam Burley
Swamp | Basic Land | Swamp | ({T}: Add {B}.) | Adam Paquette
Swamp | Basic Land | Swamp | ({T}: Add {B}.) | Jung Park
Swamp | Basic Land | Swamp | ({T}: Add {B}.) | Tianhua X
