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Choked Estuary | Land | | As Choked Estuary enters the battlefield, you may reveal an Island or Swamp card from your hand. If you don't, Choked Estuary enters the battlefield tapped.
{T}: Add {U} or {B}. | Lixin Yin
Crumbling Necropolis | Land | | Crumbling Necropolis enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}. | Lorenzo Lanfranconi
Drowned Catacomb | Land | | Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.
{T}: Add {U} or {B}. | Calder Moore
Sunken Hollow | Land | Island Swamp | ({T}: Add {U} or {B}.)
Sunken Hollow enters the battlefield tapped unless you control two or more basic lands. | Pavel Kolomeyets
Underground River | Land | | {T}: Add {C}.
{T}: Add {U} or {B}. Underground River deals 1 damage to you. | Logan Feliciano
