Dark Depths

Dark Depths comes into play with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, put an indestructible legendary 20/20 black Avatar creature token with flying named Marit Lage into play.

Flame Jab

Flame Jab deals 1 damage to target creature or player. Retrace (You may play this card from your graveyard by discarding a land card in addition to paying its other costs.)

Grove of the Burnwillows

{T}: Add {1} to your mana pool. {PT}: Add {R} or {G} to your mana pool. Each opponent gains 1 life.

Thespian's Stage

{T}: Add {1} to your mana pool. {2}, {T}: Thespian's Stage becomes a copy of target land and gains this ability.

Liliana of the Veil

+1: Each player discards a card. -2: Target player sacrifices a creature. -6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of his or her choice.

Ray of Revelation

Destroy target enchantment. Flashback: {G} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Riftstone Portal

{T}: Add one colorless mana to your mana pool. As long as Riftstone Portal is in your graveyard, lands you control have "{T}: Add {G} or {W} to your mana pool."

The Tabernacle at Pendrell Vale

All creatures now require an upkeep cost of {1} in addition to any other upkeep costs they may have. If the upkeep cost for a creature is not paid, the creature is destroyed.

Molten Vortex

{R}, Discard a land card: Molten Vortex deals 2 damage to target creature or player.

Nether Spirit

At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to play.

Raven's Crime

Target player discards a card. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Massacre

If an opponent controls a plains and you control a swamp, you may play Massacre without paying its mana cost. All creatures get -2/-2 until end of turn.

Coffin Purge

Remove target card in a graveyard from the game. Flashback {B} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Urborg, Tomb of Yawgmoth

Each land is a Swamp in addition to its other land types.

Innocent Blood

Each player sacrifices a creature.

Entomb

Search your library for a card and put that card into your graveyard. Then shuffle your library.

Karakas

{T}: Add {W} to your mana pool. {T}: Return target legendary creature to its owner's hand.

Life from the Loam

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, instead you may put exactly three cards from the top of your library into your graveyard. If you do, return this card from your graveyard to your hand. Otherwise, draw a card.)

Abrupt Decay

Abrupt Decay can't be countered by spells or abilities. Destroy target nonland permanent with converted mana cost 3 or less.

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Mirri's Guile

During your upkeep, you may look at the top three cards of your library and put them back in any order.

Maze of Ith

{T}: Target attacking creature becomes untapped. This creature neither deals nor receives damage as a result of combat.

Thoughtseize

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card. You lose 2 life.

Ancient Grudge

Destroy target artifact. Flashback {G} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Smallpox

Each player loses 1 life, discards a card, sacrifices a creature, then sacrifices a land.

Badlands

Counts as both mountains and swamp and is affected by spells that affect either. Tap to add either {R} or {B} to your mana pool.

Bayou

Counts as both swamp and forest and is affected by spells that affect either. Tap to add either {B} or {G} to your mana pool.

Crop Rotation

At the time you play Crop Rotation, sacrifice a land. Search your library for a land card and put that land into play. Shuffle your library afterwards.

Bojuka Bog

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile all cards from target player's graveyard. {T}: Add {B} to your mana pool.

Nature's Claim

Destroy target artifact or enchantment. Its controller gains 4 life.

Punishing Fire

Punishing Fire deals 2 damage to target creature or player. Whenever an opponent gains life, you may pay {R}. If you do, return Punishing Fire from your graveyard to your hand.

Bloodstained Mire

Verdant Catacombs

Wasteland

Swamp

({T}: Add {B}.)