Rancid Earth

Destroy target land.
Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Feign Death

Until end of turn, target creature gains "When this creature dies, return it to the battlefield tapped under its owner's control with a +1/+1 counter on it."

Hornet Harasser

When this creature dies, target creature gets -2/-2 until end of turn.

Maw of the Mire

Festering Goblin

When this creature dies, target creature gets -1/-1 until end of turn.

Shambling Goblin

When this creature dies, target creature an opponent controls gets -1/-1 until end of turn.

Prickly Boggart

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Armor of Shadows

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

Destroy the Evidence

Destroy target land. Its controller reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Necrobite

Target creature gains deathtouch until end of turn. Regenerate it. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Exiled Boggart

Chime of Night

Enchant creature
When this Aura is put into a graveyard from the battlefield, destroy target nonblack creature.

Frogtosser Banneret

Haste
Goblin spells and Rogue spells you cast cost {1} less to cast.

Despoil

Destroy target land. Its controller loses 2 life.

Boggart Birth Rite

Return target Goblin card from your graveyard to your hand.

Deathgreeter

Whenever another creature dies, you may gain 1 life.

Blood Seeker

Whenever a creature an opponent controls enters, you may have that player lose 1 life.

Bubbling Muck

Until end of turn, whenever a player taps a Swamp for mana, that player adds an additional {B}.

Goblin Firebomb

Flash
{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Aspect of Gorgon

Enchant creature
Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)

Offer Immortality

Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Gloomfang Mauler

Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)
Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)
Menace

Virulent Swipe

Target creature gets +2/+0 and gains deathtouch until end of turn.
Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Leather Armor

Equipped creature gets +0/+1 and has ward {1}. (Whenever equipped creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)
Equip {0}. Activate only once each turn.

Bladebrand

Target creature gains deathtouch until end of turn.
Draw a card.

Lampad of Death's Vigil

{1}, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.

Boggart Loggers

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)
{2}{B}, Sacrifice this creature: Destroy target Treefolk or Forest.

Memory Leak

Target opponent reveals their hand. You choose a nonland card from that player's graveyard or hand and exile it.
Cycling {1} ({1}, Discard this card: Draw a card.)

Icequake

Destroy target land. If that land was a snow land, Icequake deals 1 damage to that land's controller.

Troll of Khazad-dûm

This creature can't be blocked except by three or more creatures.
Swampcycling {1} ({1}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Injector Crocodile

When this creature dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Nath's Buffoon

Soldevi Adnate

{T}, Sacrifice a black or artifact creature: Add an amount of {B} equal to the sacrificed creature's mana value.

Phyrexian Gremlins

You may choose not to untap this creature during your untap step.
{T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as this creature remains tapped.

Spreading Rot

Lurching Rotbeast

Cycling {B} ({B}, Discard this card: Draw a card.)

Touch of Moonglove

Target creature you control gets +1/+0 and gains deathtouch until end of turn. Whenever a creature dealt damage by that creature dies this turn, its controller loses 2 life. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Facevaulter

{B}, Sacrifice a Goblin: This creature gets +2/+2 until end of turn.

Earthblighter

{2}{B}, {T}, Sacrifice a Goblin: Destroy target land.

Goblin Turncoat

Sacrifice a Goblin: Regenerate this creature.

Splatter Goblin

Mana Skimmer

Flying
Whenever this creature deals damage to a player, tap target land that player controls. That land doesn't untap during its controller's next untap step.

Shelob's Ambush

Target creature gets +1/+2 and gains deathtouch until end of turn. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Putrid Goblin

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Blackcleave Goblin

Haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Unstable Obelisk

{T}: Add {C}.
{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Street Wraith

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
Cycling—Pay 2 life. (Pay 2 life, Discard this card: Draw a card.)

Scarab Feast

Exile up to three target cards from a single graveyard.
Cycling {B} ({B}, Discard this card: Draw a card.)

Warteye Witch

Whenever this creature or another creature you control dies, scry 1.

Horror of the Broken Lands

Whenever you cycle or discard another card, this creature gets +2/+1 until end of turn.
Cycling {B} ({B}, Discard this card: Draw a card.)

Ash Barrens

{T}: Add {C}.
Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Spiderwig Boggart

When this creature enters, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Alchemist's Gift

Target creature gets +1/+1 and gains your choice of deathtouch or lifelink until end of turn. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it. Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Universal Solvent

{7}, {T}, Sacrifice this artifact: Destroy target permanent.

Absorb Vis

Target player loses 4 life and you gain 4 life.
Basic landcycling {1}{B} ({1}{B}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Warren Weirding

Target player sacrifices a creature of their choice. If a Goblin is sacrificed this way, that player creates two 1/1 black Goblin Rogue creature tokens, and those tokens gain haste until end of turn.

Coat with Venom

Target creature gets +1/+2 and gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Sinkhole

Warren Pilferers

When this creature enters, return target creature card from your graveyard to your hand. If that card is a Goblin card, this creature gains haste until end of turn.

Swamp

Squeaking Pie Grubfellows

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, each opponent discards a card.

Battle-Rage Blessing

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Brink of Disaster

Enchant creature or land
When enchanted permanent becomes tapped, destroy it.

Lash of Thorns

Target creature gets +2/+1 and gains deathtouch until end of turn.

Befoul

Destroy target land or nonblack creature. It can't be regenerated.

Choking Sands

Destroy target non-Swamp land. If that land was nonbasic, Choking Sands deals 2 damage to the land's controller.