Helm of Obedience

{X}, {T}: Put the top card of target opponent's library into his or her graveyard. Continue doing this until you have put X cards or a creature card into that graveyard, whichever occurs first. If the last card put into the graveyard is a creature card, bury Helm of Obedience and put that creature into play under your control as though it were just cast. X cannot be equal to 0.

Toxic Deluge

As an additional cost to cast Toxic Deluge, pay X life. All creatures get -X/-X until end of turn.

Hymn to Tourach

Target player discards two cards at random.

Dryad Arbor

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G} to your mana pool.") Dryad Arbor is green.

Obstinate Baloth

When Obstinate Baloth enters the battlefield, you gain 4 life. If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard.

Reclamation Sage

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Green Sun's Zenith

Search your library for a green creature card with converted mana cost X or less, put it onto the battlefield, then shuffle your library. Shuffle Green Sun's Zenith into its owner's library.

Surgical Extraction

({B/P} can be paid with either {B} or 2 life.) Choose target card in a graveyard other than a basic land card. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. Then that player shuffles his or her library.

Diabolic Intent

As an additional cost to play Diabolic Intent, sacrifice a creature. Search your library for a card and put that card into your hand. Then shuffle your library.

Cabal Therapy

Name a nonland card. Target player reveals his or her hand and discards all cards with that name. Flashback-Sacrifice a creature. (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Pernicious Deed

{X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with converted mana cost X or less.

Bitterblossom

At the beginning of your upkeep, you lose 1 life and put a 1/1 black Faerie Rogue creature token with flying onto the battlefield.

Go for the Throat

Destroy target nonartifact creature.

Sylvan Library

You may draw two extra cards during your draw phase. If you do so, put two of the cards drawn this turn back on top of your library (in any order) or pay 4 life per card not replaced. Effects that prevent or redirect damage cannot be used to counter this loss of life.

Abrupt Decay

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

Diabolic Edict

Target player sacrifices a creature.

Choke

Islands do not untap during their controllers' untap phases.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Thoughtseize

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

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.

Tsunami

All islands in play are destroyed.

Phyrexian Tower

{T}: Add one colorless mana to your mana pool. {T}, Sacrifice a creature: Add {B}{B} to your mana pool.

Veteran Explorer

If Veteran Explorer is put into any graveyard from play, each player may search his or her library for up to two basic land cards and put those lands into play. Each player shuffles his or her library afterwards.

Verdant Catacombs

Windswept Heath

Ob Nixilis Reignited

Eternal Witness

Tireless Tracker

Collective Brutality

Leyline of the Void

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield. If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)