Engineered Plague

As Engineered Plague enters, choose a creature type.
All creatures of the chosen type get -1/-1.

Plains

Perish

Destroy all green creatures. They can't be regenerated.

Skeletal Scrying

As an additional cost to cast this spell, exile X cards from your graveyard.
You draw X cards and you lose X life.

Hypnotic Specter

Flying
Whenever Hypnotic Specter deals damage to an opponent, that player discards a card at random.

Duress

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

Dark Ritual

Smother

Destroy target creature with mana value 3 or less. It can't be regenerated.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Wasteland

{T}: Add {C}.
{T}, Sacrifice Wasteland: Destroy target nonbasic land.

Circle of Protection: Red

{1}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Mother of Runes

{T}: Target creature you control gains protection from the color of your choice until end of turn.

Nantuko Shade

{B}: Nantuko Shade gets +1/+1 until end of turn.

Gerrard's Verdict

Target player discards two cards. You gain 3 life for each land card discarded this way.

Tainted Field

{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.

Withered Wretch

Presence of the Master

Whenever a player casts an enchantment spell, counter it.

Caves of Koilos

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

Planar Void

Whenever another card is put into a graveyard from anywhere, exile that card.

Swamp

Phyrexian Arena

At the beginning of your upkeep, you draw a card and you lose 1 life.

Disenchant

Exalted Angel

Flying
Whenever Exalted Angel deals damage, you gain that much life.
Morph {2}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)