Pitiless Horde

At the beginning of your upkeep, you lose 2 life. Dash {2}{B}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Secure the Wastes

Put X 1/1 white Warrior creature tokens onto the battlefield.

Silkwrap

When Silkwrap enters the battlefield, exile target creature with converted mana cost 3 or less an opponent controls until Silkwrap leaves the battlefield. (That creature returns under its owner's control.)

Virulent Plague

Creature tokens get -2/-2.

Hallowed Moonlight

Until end of turn, if a creature would enter the battlefield and it wasn't cast, exile it instead.Draw a card.

Infinite Obliteration

Name a creature card. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles his or her library.

Languish

All creatures get -4/-4 until end of turn.

Knight of the White Orchid

First strike When Knight of the White Orchid comes into play, if an opponent controls more lands than you, you may search your library for a Plains card, put it into play, then shuffle your library.

Caves of Koilos

{T}: Add {1} to your mana pool. {T}: Add {W} or {B} to your mana pool. Caves of Koilos deals 1 damage to you.

Read the Bones

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Gideon, Ally of Zendikar

Ob Nixilis Reignited

Quarantine Field

Shambling Vent

Stasis Snare

Transgress the Mind

Wasteland Strangler

Ayli, Eternal Pilgrim

Flaying Tendrils

Linvala, the Preserver

Anguished Unmaking

Declaration in Stone

Sorin, Grim Nemesis

Forsaken Sanctuary

Forsaken Sanctuary enters the battlefield tapped. {T}: Add {W} or {B}.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Plains

({T}: Add {W}.)

Swamp

({T}: Add {B}.)