Have

Snow-Covered Plains

Caves of Koilos

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

Dark Ritual

Reflecting Pool

{T}: Add one mana of any type that a land you control could produce.

Snow-Covered Swamp

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.

Withered Wretch

Swords to Plowshares

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

Gerrard's Verdict

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

Seal of Cleansing

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

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.)

Tainted Field

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

Tormod's Crypt

{T}, Sacrifice Tormod's Crypt: Exile target player's graveyard.

Vindicate

Engineered Plague

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

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.

Spectral Lynx

Protection from green
{B}: Regenerate Spectral Lynx.

Phyrexian Arena

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

Nantuko Shade

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

Duress

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

Perish

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

Hypnotic Specter

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