Have

Arms of Hadar

Creatures target player controls get -2/-2 until end of turn.

Return to Nature

Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.

Echoing Decay

Target creature and all other creatures with the same name as that creature get -2/-2 until end of turn.

Arbor Elf

Diabolic Edict

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Jewel Thief

Vigilance, trample
When Jewel Thief enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Thorn of the Black Rose

Deathtouch
When Thorn of the Black Rose enters, you become the monarch.

Getting

Snuff Out

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Chainer's Edict

Target player sacrifices a creature.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Crypt Rats

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

Dark Ritual

Deglamer

Choose target artifact or enchantment. Its owner shuffles it into their library.

Woodland Chasm

({T}: Add {B} or {G}.)
Woodland Chasm enters tapped.

Weather the Storm

You gain 3 life.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Swamp

Go for the Throat

Forest

Entourage of Trest

When Entourage of Trest enters, you become the monarch.
Entourage of Trest can block an additional creature each combat as long as you're the monarch.

Haunted Mire

({T}: Add {B} or {G}.)
Haunted Mire enters tapped.

Avenging Hunter

Trample
When Avenging Hunter enters, you take the initiative.

Murder

Cast Down

Nihil Spellbomb

{T}, Sacrifice Nihil Spellbomb: Exile target player's graveyard.
When Nihil Spellbomb is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Utopia Sprawl

Enchant Forest
As Utopia Sprawl enters, choose a color.
Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.