Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Metallic Sliver

Toxin Analysis

Target creature gains deathtouch and lifelink until end of turn. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Crypt Sliver

All Slivers have "{T}: Regenerate target Sliver."

Universal Automaton

Changeling (This card is every creature type.)

Village Rites

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Echoing Return

Return target creature card and all other cards with the same name as that card from your graveyard to your hand.

Witch's Cottage

({T}: Add {B}.)
This land enters tapped unless you control three or more other Swamps.
When this land enters untapped, you may put target creature card from your graveyard on top of your library.

Refurbished Familiar

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card.

Changeling Outcast

Changeling (This card is every creature type.)
This creature can't block and can't be blocked.

Ghoulcaller's Chant

Choose one —
• Return target creature card from your graveyard to your hand.
• Return two target Zombie cards from your graveyard to your hand.

Eviscerator's Insight

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards.
Flashback {4}{B} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Crypt Rats

{X}: This creature deals X damage to each creature and each player. Spend only black mana on X.

Corrupted Conviction

Aphetto Dredging

Return up to three target creature cards of the creature type of your choice from your graveyard to your hand.

Swamp

Vault of Whispers

Basal Sliver

All Slivers have "Sacrifice this permanent: Add {B}{B}."

Mindlash Sliver

All Slivers have "{1}, Sacrifice this permanent: Each player discards a card."

Candy Trail

When this artifact enters, scry 2.
{2}, {T}, Sacrifice this artifact: You gain 3 life and draw a card.