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.

Thragtusk

When Thragtusk enters the battlefield, you gain 5 life. When Thragtusk leaves the battlefield, put a 3/3 green Beast creature token onto the battlefield.

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.

Beast Within

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

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.

Avalanche Riders

Echo (During your next upkeep after this permanent comes into play under your control, pay its casting cost or sacrifice it.) Avalanche Riders is unaffected by Summing sickness. When Avalanche Riders comes into play, destroy target land.

Verdant Catacombs

Blooming Marsh

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.

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)