Bog Gnarr

Whenever a player casts a black spell, Bog Gnarr gets +2/+2 until end of turn.

Lantern-Lit Graveyard

{T}: Add {C}.
{T}: Add {B} or {R}. Lantern-Lit Graveyard doesn't untap during your next untap step.

Cinder Marsh

{T}: Add {C}.
{T}: Add {B} or {R}. Cinder Marsh doesn't untap during your next untap step.

Battlefield Percher

Flying
Battlefield Percher can block only creatures with flying.
{1}{B}: Battlefield Percher gets +1/+1 until end of turn.

Obsidian Giant

Geothermal Crevice

Geothermal Crevice enters tapped.
{T}: Add {R}.
{T}, Sacrifice Geothermal Crevice: Add {B}{G}.

Keldon Megaliths

Keldon Megaliths enters 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.

School of the Unseen

{T}: Add {C}.
{2}, {T}: Add one mana of any color.

Veldrane of Sengir

{1}{B}{B}: Veldrane of Sengir gets -3/-0 and gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Megatherium

Trample
When Megatherium enters, sacrifice it unless you pay {1} for each card in your hand.

Ogre Warrior

Goham Djinn

{1}{B}: Regenerate Goham Djinn.
Goham Djinn gets -2/-2 as long as black is the most common color among all permanents or is tied for most common.

Karstoderm

Karstoderm enters with five +1/+1 counters on it.
Whenever an artifact enters, remove a +1/+1 counter from Karstoderm.

Sawback Manticore

{4}: Sawback Manticore gains flying until end of turn.
{1}: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.

Bone Shaman

{B}: Until end of turn, Bone Shaman gains "Creatures dealt damage by Bone Shaman this turn can't be regenerated this turn."

Desert Drake

Snow-Covered Swamp

Furnace Brood

{R}: Target creature can't be regenerated this turn.

Minotaur Tactician

Haste
Minotaur Tactician gets +1/+1 as long as you control a white creature.
Minotaur Tactician gets +1/+1 as long as you control a blue creature.

Bonethorn Valesk

Whenever a permanent is turned face up, Bonethorn Valesk deals 1 damage to any target.

Shambling Strider

{R}{G}: Shambling Strider gets +1/-1 until end of turn.

Grizzled Wolverine

{R}: Grizzled Wolverine gets +2/+0 until end of turn. Activate only during the declare blockers step, only if at least one creature is blocking Grizzled Wolverine, and only once each turn.

Timberline Ridge

Timberline Ridge doesn't untap during your untap step if it has a depletion counter on it.
At the beginning of your upkeep, remove a depletion counter from Timberline Ridge.
{T}: Add {R} or {G}. Put a depletion counter on Timberline Ridge.

Torment

Enchant creature
Enchanted creature gets -3/-0.

Famished Ghoul

{1}{B}, Sacrifice Famished Ghoul: Exile up to two target cards from a single graveyard.

Screeching Harpy

Flying
{1}{B}: Regenerate Screeching Harpy.

Rath's Edge

{T}: Add {C}.
{4}, {T}, Sacrifice a land: Rath's Edge deals 1 damage to any target.

Balduvian Fallen

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Whenever Balduvian Fallen's cumulative upkeep is paid, it gets +1/+0 until end of turn for each {B} or {R} spent this way.

Pinecrest Ridge

{T}: Add {C}.
{T}: Add {R} or {G}. Pinecrest Ridge doesn't untap during your next untap step.

Maze of Shadows

{T}: Add {C}.
{T}: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Groffskithur

Whenever Groffskithur becomes blocked, you may return target card named Groffskithur from your graveyard to your hand.

Turntimber Grove

Turntimber Grove enters tapped.
When Turntimber Grove enters, target creature gets +1/+1 until end of turn.
{T}: Add {G}.

Shauku's Minion

{B}{R}, {T}: Shauku's Minion deals 2 damage to target white creature.

Charging Bandits

Whenever Charging Bandits attacks, it gets +2/+0 until end of turn.

Rhystic Cave

{T}: Choose a color. Add one mana of that color unless any player pays {1}. Activate only as an instant.

Halls of Mist

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
Creatures that attacked during their controller's last turn can't attack.

Hollow Trees

Hollow Trees enters tapped.
You may choose not to untap Hollow Trees during your untap step.
At the beginning of your upkeep, if Hollow Trees is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from Hollow Trees: Add {G} for each storage counter removed this way.

Skittering Monstrosity

When you cast a creature spell, sacrifice Skittering Monstrosity.

Ronom Hulk

Protection from snow
Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Serpent Warrior

When Serpent Warrior enters, you lose 3 life.

Indentured Oaf

Prevent all damage that Indentured Oaf would deal to red creatures.

Tomb of Urami

{T}: Add {B}. Tomb of Urami deals 1 damage to you if you don't control an Ogre.
{2}{B}{B}, {T}, Sacrifice all lands you control: Create Urami, a legendary 5/5 black Demon Spirit creature token with flying.

Oasis

{T}: Prevent the next 1 damage that would be dealt to target creature this turn.

Henge of Ramos

Bartel Runeaxe

Vigilance
Bartel Runeaxe can't be the target of Aura spells.

Flailing Drake

Flying
Whenever Flailing Drake blocks or becomes blocked by a creature, that creature gets +1/+1 until end of turn.

Segmented Wurm

Whenever Segmented Wurm becomes the target of a spell or ability, put a -1/-1 counter on it.

Hellion Crucible

{T}: Add {C}.
{1}{R}, {T}: Put a pressure counter on Hellion Crucible.
{1}{R}, {T}, Remove two pressure counters from Hellion Crucible and sacrifice it: Create a 4/4 red Hellion creature token with haste. (It can attack and {T} as soon as it comes under your control.)

Forsaken City

Forsaken City doesn't untap during your untap step.
At the beginning of your upkeep, you may exile a card from your hand. If you do, untap Forsaken City.
{T}: Add one mana of any color.

Cinder Crawler

{R}: Cinder Crawler gets +1/+0 until end of turn. Activate only if Cinder Crawler is blocked.

Rend Spirit

Howltooth Hollow

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
Howltooth Hollow enters tapped.
{T}: Add {B}.
{B}, {T}: You may play the exiled card without paying its mana cost if each player has no cards in hand.

Bog Wreckage

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

Lava Tubes

Lava Tubes doesn't untap during your untap step if it has a depletion counter on it.
At the beginning of your upkeep, remove a depletion counter from Lava Tubes.
{T}: Add {B} or {R}. Put a depletion counter on Lava Tubes.

Ogre Recluse

Whenever a player casts a spell, tap Ogre Recluse.

Shoreline Salvager

Whenever Shoreline Salvager deals combat damage to a player, if you control an Island, you may draw a card.

Crimson Roc

Flying
Whenever Crimson Roc blocks a creature without flying, Crimson Roc gets +1/+0 and gains first strike until end of turn.

Sulam Djinn

Trample
Sulam Djinn gets -2/-2 as long as green is the most common color among all permanents or is tied for most common.

Tar Pit Warrior

When Tar Pit Warrior becomes the target of a spell or ability, sacrifice it.

Wintermoon Mesa

Wintermoon Mesa enters tapped.
{T}: Add {C}.
{2}, {T}, Sacrifice Wintermoon Mesa: Tap two target lands.

Mage il-Vec

{T}, Discard a card at random: Mage il-Vec deals 1 damage to any target.

Rampaging Cyclops

Rampaging Cyclops gets -2/-0 as long as two or more creatures are blocking it.

Sootfeather Flock

Flying
Morph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Marsh Lurker

Sacrifice a Swamp: Marsh Lurker gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Snow-Covered Mountain

Greater Forgeling

{1}{R}: Greater Forgeling gets +3/-3 until end of turn.

Archaeological Dig

{T}: Add {C}.
{T}, Sacrifice Archaeological Dig: Add one mana of any color.

Sabertooth Wyvern

Flowstone Shambler

{R}: Flowstone Shambler gets +1/-1 until end of turn.

Koskun Keep

{T}: Add {C}.
{1}, {T}: Add {R}.
{2}, {T}: Add {B} or {G}.

Tor Giant

Nettletooth Djinn

At the beginning of your upkeep, Nettletooth Djinn deals 1 damage to you.

Timberland Ruins

Timberland Ruins enters tapped.
{T}: Add {G}.
{T}, Sacrifice Timberland Ruins: Add one mana of any color.

Root Cage

Mercenaries don't untap during their controllers' untap steps.

Sheltered Valley

If Sheltered Valley would enter, instead sacrifice each other permanent named Sheltered Valley you control, then put Sheltered Valley onto the battlefield.
At the beginning of your upkeep, if you control three or fewer lands, you gain 1 life.
{T}: Add {C}.

Flowstone Armor

You may choose not to untap Flowstone Armor during your untap step.
{3}, {T}: Target creature gets +1/-1 for as long as Flowstone Armor remains tapped.

Ravaged Highlands

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

Swamp

Mogg Hollows

{T}: Add {C}.
{T}: Add {R} or {G}. Mogg Hollows doesn't untap during your next untap step.

Heart of Yavimaya

If Heart of Yavimaya would enter, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Pine Barrens

Pine Barrens enters tapped.
{T}: Add {C}.
{T}: Add {B} or {G}. Pine Barrens deals 1 damage to you.

Flowstone Salamander

{R}: Flowstone Salamander deals 1 damage to target creature blocking it.

Pyric Salamander

{R}: Pyric Salamander gets +1/+0 until end of turn. Sacrifice Pyric Salamander at the beginning of the next end step.

Orcish Healer

{R}{R}, {T}: Target creature can't be regenerated this turn.
{B}{B}{R}, {T}: Regenerate target black or green creature.
{R}{G}{G}, {T}: Regenerate target black or green creature.

Pardic Firecat

Haste
If Pardic Firecat is in a graveyard, effects from spells named Flame Burst count it as a card named Flame Burst.

Spined Basher

Morph {2}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Mountain

Soul Shred

Soul Shred deals 3 damage to target nonblack creature. You gain 3 life.

Murk Dwellers

Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat.

Foxfire Oak

{R/G}{R/G}{R/G}: Foxfire Oak gets +3/+0 until end of turn.

Rushwood Grove

Rushwood Grove enters tapped.
{T}: Put a storage counter on Rushwood Grove.
{T}, Remove any number of storage counters from Rushwood Grove: Add {G} for each storage counter removed this way.

Forest

Snow-Covered Forest

Charging Slateback

Charging Slateback can't block.
Morph {4}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Subterranean Hangar

Subterranean Hangar enters tapped.
{T}: Put a storage counter on Subterranean Hangar.
{T}, Remove any number of storage counters from Subterranean Hangar: Add {B} for each storage counter removed this way.

Unstable Frontier

{T}: Add {C}.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

Gnat Alley Creeper

Gnat Alley Creeper can't be blocked by creatures with flying.

Mercadian Bazaar

Mercadian Bazaar enters tapped.
{T}: Put a storage counter on Mercadian Bazaar.
{T}, Remove any number of storage counters from Mercadian Bazaar: Add {R} for each storage counter removed this way.

Liquid Fire

As an additional cost to cast this spell, choose a number between 0 and 5.
Liquid Fire deals X damage to target creature and 5 minus X damage to that creature's controller, where X is the chosen number.

Fault Riders

Sacrifice a land: Fault Riders gets +2/+0 and gains first strike until end of turn. Activate only once each turn.