Akoum Refuge enters the battlefield tapped.

When Akoum Refuge enters the battlefield, you gain 1 life.

{T}: Add {B} or {R}.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

Cycling {B} ({B}, Discard this card: Draw a card.)

Billiard Room enters the battlefield tapped.

{T}: Add {B} or {R}.

{4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Black Dragon Gate enters the battlefield tapped.

As Black Dragon Gate enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Bog Wreckage enters the battlefield tapped.

{T}: Add {B}.

{T}, Sacrifice Bog Wreckage: Add one mana of any color.

Cinder Barrens enters the battlefield tapped.

{T}: Add {B} or {R}.

Cliffgate enters the battlefield tapped.

As Cliffgate enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

Desert of the Fervent enters the battlefield tapped.

{T}: Add {R}.

Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.)

Desert of the Glorified enters the battlefield tapped.

{T}: Add {B}.

Cycling {1}{B} ({1}{B}, Discard this card: Draw a card.)

Drossforge Bridge enters the battlefield tapped.

Indestructible

{T}: Add {B} or {R}.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

Cycling {R} ({R}, Discard this card: Draw a card.)

Hidden Necropolis enters the battlefield tapped.

{T}: Add {B}.

{4}{B}, {T}, Sacrifice Hidden Necropolis: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Volcano enters the battlefield tapped.

{T}: Add {R}.

{4}{R}, {T}, Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

If you control two or more other lands, Hive of the Eye Tyrant enters the battlefield tapped.

{T}: Add {B}.

{3}{B}: Until end of turn, Hive of the Eye Tyrant becomes a 3/3 black Beholder creature with menace and "Whenever this creature attacks, exile target card from defending player's graveyard." It's still a land.

Immersturm Skullcairn enters the battlefield tapped.

{T}: Add {B}.

{1}{B}{R}{R}, {T}, Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

Jagged Barrens enters the battlefield tapped.

When Jagged Barrens enters the battlefield, it deals 1 damage to target opponent.

{T}: Add {B} or {R}.

Keldon Megaliths enters the battlefield tapped.

{T}: Add {R}.

Hellbent -- {1}{R}, {T}: Keldon Megaliths deals 1 damage to any target. Activate only if you have no cards in hand.

Lavaclaw Reaches enters the battlefield tapped.

{T}: Add {B} or {R}.

{1}{B}{R}: Until end of turn, Lavaclaw Reaches becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

({T}: Add {B}.)

Leechridden Swamp enters the battlefield tapped.

{B}, {T}: Each opponent loses 1 life. Activate only if you control two or more black permanents.

Looming Spires enters the battlefield tapped.

When Looming Spires enters the battlefield, target creature gets +1/+1 and gains first strike until end of turn.

{T}: Add {R}.

({T}: Add {R}.)

Madblind Mountain enters the battlefield tapped.

{R}, {T}: Shuffle your library. Activate only if you control two or more red permanents.

Piranha Marsh enters the battlefield tapped.

When Piranha Marsh enters the battlefield, target player loses 1 life.

{T}: Add {B}.

Rakdos Guildgate enters the battlefield tapped.

{T}: Add {B} or {R}.

Ravaged Highlands enters the battlefield tapped.

{T}: Add {R}.

{T}, Sacrifice Ravaged Highlands: Add one mana of any color.

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 creature with menace. It's still a land.

Whenever Restless Vents attacks, you may discard a card. If you do, draw a card.

Smoldering Spires enters the battlefield tapped.

When Smoldering Spires enters the battlefield, target creature can't block this turn.

{T}: Add {R}.

Spawning Pool enters the battlefield tapped.

{T}: Add {B}.

{1}{B}: Spawning Pool becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Teetering Peaks enters the battlefield tapped.

When Teetering Peaks enters the battlefield, target creature gets +2/+0 until end of turn.

{T}: Add {R}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

The Autonomous Furnace enters the battlefield tapped.

{T}: Add {R}.

{1}{R}, {T}, Sacrifice The Autonomous Furnace: Draw a card.

Trample, haste

When The Balrog of Moria dies, you may exile it. When you do, for each opponent, exile up to one target creature that player controls.

Cycling {3}{R} ({3}{R}, Discard this card: Draw a card.)

When you cycle The Balrog of Moria, create two Treasure tokens.

The Dross Pits enters the battlefield tapped.

{T}: Add {B}.

{1}{B}, {T}, Sacrifice The Dross Pits: Draw a card.

Thriving Bluff enters the battlefield tapped.

As Thriving Bluff enters the battlefield, choose a color other than red.

{T}: Add {R} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped.

As Thriving Moor enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Tramway Station enters the battlefield tapped.

{T}: Add {B} or {R}.

{2}{B}{R}, {T}, Sacrifice Tramway Station: Draw a card.

Tresserhorn Sinks enters the battlefield tapped.

{T}: Add {B} or {R}.

Urborg Volcano enters the battlefield tapped.

{T}: Add {B} or {R}.