Toxic Deluge

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

Dovescape

({W/U} can be paid with either {W} or {U}.) Whenever a player plays a noncreature spell, counter that spell. That player puts X 1/1 white and blue Bird creature tokens with flying into play, where X is the spell's converted mana cost.

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.

Curse of Death's Hold

Enchant player Creatures enchanted player controls get -1/-1.

Evolutionary Leap

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

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.

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.

Abrupt Decay

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

Lingering Souls

Put two 1/1 white Spirit creature tokens with flying onto the battlefield. Flashback {1}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mirri's Guile

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

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.

Savannah

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

Scrubland

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

Academy Rector

When Academy Rector is put into a graveyard from play, you may remove Academy Rector from the game. If you do, search your library for an enchantment card and put that card into play. Then shuffle your library.

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

Collective Brutality

Overwhelming Splendor

Plains

({T}: Add {W}.)

Swamp

({T}: Add {B}.)

Forest

({T}: Add {G}.)