Mind Twist

Target player discards X cards at random.

Raise Dead

Return target creature card from your graveyard to your hand.

Swamp

Throne of Bone

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

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Disrupting Scepter

{3}, {T}: Target player discards a card. Activate only during your turn.

Royal Assassin

Scathe Zombies

Cursed Land

Enchant land
At the beginning of the upkeep of enchanted land's controller, Cursed Land deals 1 damage to that player.

Zombie Master

Other Zombie creatures have swampwalk. (They can't be blocked as long as defending player controls a Swamp.)
Other Zombies have "{B}: Regenerate this permanent."

Mox Jet

Sol Ring

Evil Presence

Cyclopean Tomb

{2}, {T}: Put a mire counter on target non-Swamp land. That land is a Swamp for as long as it has a mire counter on it. Activate only during your upkeep.
When Cyclopean Tomb is put into a graveyard from the battlefield, at the beginning of each of your upkeeps for the rest of the game, remove all mire counters from a land that a mire counter was put onto with Cyclopean Tomb but that a mire counter has not been removed from with Cyclopean Tomb.

Animate Dead

Enchant creature card in a graveyard
When Animate Dead enters, if it's on the battlefield, it loses "enchant creature card in a graveyard" and gains "enchant creature put onto the battlefield with Animate Dead." Return enchanted creature card to the battlefield under your control and attach Animate Dead to it. When Animate Dead leaves the battlefield, that creature's controller sacrifices it.
Enchanted creature gets -1/-0.

Bog Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Sinkhole

Drain Life

Spend only black mana on X.
Drain Life deals X damage to any target. You gain life equal to the damage dealt, but not more life than the player's life total before the damage was dealt, the planeswalker's loyalty before the damage was dealt, or the creature's toughness.

Weakness

Enchant creature
Enchanted creature gets -2/-1.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Dark Ritual

Demonic Hordes

{T}: Destroy target land.
At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.