Bog Initiate

Creature — Human Wizard (1/1)

: Add .

Bog Witch

Creature — Human Spellshaper (1/1)

, , Discard a card: Add .

Llanowar Dead

Creature — Zombie Elf (2/2)

: Add .

Magus of the Coffers

Creature — Human Wizard (4/4)

, : Add for each Swamp you control.

Riven Turnbull

Legendary Creature — Human Advisor (5/7)

: Add .

Skirge Familiar

Creature — Phyrexian Imp (3/2)

Flying
Discard a card: Add .

Nantuko Monastery

Land

: Add .
Threshold — : Nantuko Monastery becomes a 4/4 green and white Insect Monk creature with first strike until end of turn. It's still a land. Activate only if seven or more cards are in your graveyard.

Cabal Ritual

Instant

Add .
Threshold — Add instead if seven or more cards are in your graveyard.

Swamp // Swamp

(: Add .)

Swamp

(: Add .)

Skemfar Elderhall

Land

Skemfar Elderhall enters the battlefield tapped.
: Add .
, , Sacrifice Skemfar Elderhall: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery.

Quicksand

Land

: Add .
, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

Cabal Torturer

Creature — Human Minion (1/1)

, : Target creature gets -1/-1 until end of turn.
Threshold — , : Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.

Cavernous Maw

Land — Cave

: Add .
: Cavernous Maw becomes a 3/3 Elemental creature until end of turn. It's still a Cave land. Activate only if the number of other Caves you control plus the number of Cave cards in your graveyard is three or greater.

Hashep Oasis

Land — Desert

: Add .
, Pay 1 life: Add .
, , Sacrifice a Desert: Target creature gets +3/+3 until end of turn. Activate only as a sorcery.

Bretagard Stronghold

Land

Bretagard Stronghold enters the battlefield tapped.
: Add .
, , Sacrifice Bretagard Stronghold: Put a +1/+1 counter on each of up to two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.

Heart of Yavimaya

Land

If Heart of Yavimaya would enter the battlefield, sacrifice a Forest instead. If you do, put Heart of Yavimaya onto the battlefield. If you don't, put it into its owner's graveyard.
: Add .
: Target creature gets +1/+1 until end of turn.

Immersturm Skullcairn

Land

Immersturm Skullcairn enters the battlefield tapped.
: Add .
, , Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

Rain of Filth

Instant

Until end of turn, lands you control gain "Sacrifice this land: Add ."

Sorrow's Path

Land

: Choose two target blocking creatures an opponent controls. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking.
Whenever Sorrow's Path becomes tapped, it deals 2 damage to you and each creature you control.

Svogthos, the Restless Tomb

Land

: Add .
: Until end of turn, Svogthos, the Restless Tomb becomes a black and green Plant Zombie creature with "This creature's power and toughness are each equal to the number of creature cards in your graveyard." It's still a land.