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({T}: Add {W} or {U}.) Meticulous Archive enters the battlefield tapped. When Meticulous Archive enters the battlefield, surveil 1. (Look at the to...

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Minas Morgul, Dark Fortress enters the battlefield tapped. {T}: Add {B}. {3}{B}, {T}: Put a shadow counter on target creature. For as long as that ...

Minas Morgul, Dark Fortress enters the battlefield tapped. {T}: Add {B}. {3}{B}, {T}: Put a shadow counter on target creature. For as long as that ...

Temple of Mystery enters the battlefield tapped. When Temple of Mystery enters the battlefield, scry 1. {T}: Add {G} or {U}.

Restless Vents enters the battlefield tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, Restless Vents becomes a 2/3 black and red Insect ...

Restless Reef enters the battlefield tapped. {T}: Add {U} or {B}. {2}{U}{B}: Until end of turn, Restless Reef becomes a 4/4 blue and black Shark cr...

Pit of Offerings enters the battlefield tapped. When Pit of Offerings enters the battlefield, exile up to three target cards from graveyards. {T}: ...

({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Thriving Grove enters the battlefield tapped. As Thriving Grove enters the battlefield, choose a color other than green. {T}: Add {G} or one mana o...

({T}: Add {U} or {B}.) Fetid Pools enters the battlefield tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

({T}: Add {U} or {B}.) Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.

{T}: Add {C}. {3}, {T}, Sacrifice Haunted Fengraf: Return a creature card at random from your graveyard to your hand.

This land enters tapped unless you control a Forest or a Plains. {T}: Add {G} or {W}.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add {C}. {1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

This land enters tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying a...

{T}: Add {C}. {4}: This land becomes a 3/3 Citizen creature with vigilance until end of turn. It's still a land. This ability costs {1} less to act...

{T}: Add {C}. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

This land enters with a charge counter on it. {T}: Add {C}. {X}{X}, {T}: Put X charge counters on this land. {3}, {T}, Sacrifice this land: Destroy...