Demonic Dread

Cascade (When you play this spell, remove cards from the top of your library from the game until you remove a nonland card that costs less. You may play it without paying its mana cost. Put the removed cards on the bottom in a random order.) Target creature can't block this turn.

Monstrous Carabid

Monstrous Carabid attacks each turn if able. Cycling {B/R} ({B/R}, Discard this card: Draw a card.)

Violent Outburst

Cascade (When you play this spell, remove cards from the top of your library from the game until you remove a nonland card that costs less. You may play it without paying its mana cost. Put the removed cards on the bottom in a random order.) Creatures you control get +1/+0 until end of turn.

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.

Ingot Chewer

When Ingot Chewer comes into play, destroy target artifact. Evoke {R} (You may play this spell for its evoke cost. If you do, it's sacrificed when it comes into play.)

Street Wraith

Swampwalk Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Simian Spirit Guide

Remove Simian Spirit Guide in your hand from the game: Add {R} to your mana pool.

Urborg, Tomb of Yawgmoth

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

Beast Within

Destroy target permanent. Its controller puts a 3/3 green Beast creature token onto the battlefield.

Slaughter Games

Slaughter Games can't be countered by spells or abilities. Name a nonland 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.

Blackcleave Cliffs

Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {B} or {R} to your mana pool.

Faerie Macabre

Flying Discard Faerie Macabre: Remove up to two target cards in graveyards from the game.

Fulminator Mage

Sacrifice Fulminator Mage: Destroy target nonbasic land.

Living End

Living End is black. Suspend 3—{2}{B}{B} Each player removes all creature cards in his or her graveyard from the game, then sacrifices all creatures he or she controls, then puts into play all cards he or she removed this way.

Ricochet Trap

If an opponent cast a blue spell this turn, you may pay {R} rather than pay Ricochet Trap's mana cost. Change the target of target spell with a single target.

Overgrown Tomb

Verdant Catacombs

Archfiend of Ifnir

Desert Cerodon

Horror of the Broken Lands

Blood Crypt

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Stomping Ground

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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}.)