Weakness

Enchant creature
Enchanted creature gets -2/-1.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Giant Growth

Target creature gets +3/+3 until end of turn.

Feast of the Unicorn

Enchant creature
Enchanted creature gets +4/+0.

Mind Extraction

As an additional cost to cast this spell, sacrifice a creature.
Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.

Throne of Bone

Whenever a player casts a black spell, you may pay {1}. If you do, you gain 1 life.

Desert Twister

Shrink

Target creature gets -5/-0 until end of turn.

Untamed Wilds

Search your library for a basic land card, put that card onto the battlefield, then shuffle.

Sengir Vampire

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever a creature dealt damage by Sengir Vampire this turn dies, put a +1/+1 counter on Sengir Vampire.

Stream of Life

Forgotten Lore

Target opponent chooses a card in your graveyard. You may pay {G}. If you do, repeat this process except that opponent can't choose a card already chosen for Forgotten Lore. Then put the last chosen card into your hand.

Prevent all combat damage that would be dealt this turn.

Scaled Wurm

Hymn to Tourach

Target player discards two cards at random.

Minion of Leshrac

Protection from black
At the beginning of your upkeep, Minion of Leshrac deals 5 damage to you unless you sacrifice a creature other than Minion of Leshrac. If Minion of Leshrac deals damage to you this way, tap it.
{T}: Destroy target creature or land.

Pit Scorpion

Whenever Pit Scorpion deals damage to a player, that player gets a poison counter. (A player with ten or more poison counters loses the game.)

Tranquil Path

Forest

Cosmic Horror

First strike
At the beginning of your upkeep, destroy Cosmic Horror unless you pay {3}{B}{B}{B}. If Cosmic Horror is destroyed this way, it deals 7 damage to you.

Carnivorous Plant

Jayemdae Tome

Fountain of Youth

Regeneration

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
{G}: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

Dark Ritual

Raise Dead

Return target creature card from your graveyard to your hand.

Swamp

Evil Presence

Tranquility

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than Lord of the Pit. If you can't, Lord of the Pit deals 7 damage to you.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Fallen Angel

Flying
Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn.

Glasses of Urza

Sengir Bats

Flying
Whenever a creature dealt damage by Sengir Bats this turn dies, put a +1/+1 counter on Sengir Bats.

Lay of the Land

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.