Sever the Bloodline

Sorcery

Exile target creature and all other creatures with the same name as that creature.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Shadow of the Enemy

Sorcery

Exile all creature cards from target player's graveyard. You may cast spells from among those cards for as long as they remain exiled, and mana of any type can be spent to cast them.

Shadow Slice

Sorcery

Target opponent loses 3 life.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Skull of Ramos

Artifact

: Add .
Sacrifice Skull of Ramos: Add .

Snow-Covered Swamp

Basic Snow Land — Swamp

(: Add .)

Soul Shred

Sorcery

Soul Shred deals 3 damage to target nonblack creature. You gain 3 life.

Stain the Mind

Sorcery

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Subterranean Hangar

Land

Subterranean Hangar enters the battlefield tapped.
: Put a storage counter on Subterranean Hangar.
, Remove any number of storage counters from Subterranean Hangar: Add for each storage counter removed this way.

Swamp

Basic Land — Swamp

(: Add .)

Swamp // Swamp

(: Add .)

Swamp

(: Add .)

The Dross Pits

Land — Sphere

The Dross Pits enters the battlefield tapped.
: Add .
, , Sacrifice The Dross Pits: Draw a card.

The Torment of Gollum

Sorcery

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Amass Orcs 2. (Put two +1/+1 counters on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.)

Their Name Is Death

Sorcery

Destroy all nonartifact creatures.

Thought Distortion

Sorcery

This spell can't be countered.
Target opponent reveals their hand. Exile all noncreature, nonland cards from that player's hand and graveyard.

Thriving Moor

Land

Thriving Moor enters the battlefield tapped.
As Thriving Moor enters the battlefield, choose a color other than black.
: Add or one mana of the chosen color.

Thwart the Grave

Sorcery

This spell costs less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Return target creature card and up to one target Cleric, Rogue, Warrior, or Wizard creature card from your graveyard to the battlefield.

Unbreakable Bond

Sorcery

Return target creature card from your graveyard to the battlefield with a lifelink counter on it.

Unburial Rites

Sorcery

Return target creature card from your graveyard to the battlefield.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Undercity Plague

Sorcery

Target player loses 1 life, discards a card, then sacrifices a permanent.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Urborg Uprising

Sorcery

Return up to two target creature cards from your graveyard to your hand.
Draw a card.