Raucous Theater | Land | Swamp Mountain | ({T}: Add {B} or {R}.)
Raucous Theater enters the battlefield tapped.
When Raucous Theater enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Sergey Glushakov
LSV
Shadowy Backstreet | Land | Plains Swamp | ({T}: Add {W} or {B}.)
Shadowy Backstreet enters the battlefield tapped.
When Shadowy Backstreet enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Andreas Zafiratos
LSV
Undercity Sewers | Land | Island Swamp | ({T}: Add {U} or {B}.)
Undercity Sewers enters the battlefield tapped.
When Undercity Sewers enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Yeong-Hao Han
LSV
Underground Mortuary | Land | Swamp Forest | ({T}: Add {B} or {G}.)
Underground Mortuary enters the battlefield tapped.
When Underground Mortuary enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.) | Sergey Glushakov
LSV