Lasting Tarfire

At the beginning of each end step, if you put a counter on a creature this turn, this enchantment deals 2 damage to each opponent.

Prideful Feastling

Changeling (This card is every creature type.)
Lifelink

Mischievous Sneakling

Changeling (This card is every creature type.)
Flash

Blight Rot

Put four -1/-1 counters on target creature.

Swamp

Chaos Spewer

When this creature enters, you may pay {2}. If you don't, blight 2. (To blight 2, put two -1/-1 counters on a creature you control.)

Collective Inferno

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
As this enchantment enters, choose a creature type.
Double all damage that sources you control of the chosen type would deal.

Noggle Robber

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

Boulder Dash

Boulder Dash deals 2 damage to any target and 1 damage to any other target.

Eclipsed Boggart

When this creature enters, look at the top four cards of your library. You may reveal a Goblin, Swamp, or Mountain card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Taster of Wares

When this creature enters, target opponent reveals X cards from their hand, where X is the number of Goblins you control. You choose one of those cards. That player exiles it. If an instant or sorcery card is exiled this way, you may cast it for as long as you control this creature, and mana of any type can be spent to cast that spell.

Tweeze

Tweeze deals 3 damage to any target. You may discard a card. If you do, draw a card.

End-Blaze Epiphany

End-Blaze Epiphany deals X damage to target creature. When that creature dies this turn, exile a number of cards from the top of your library equal to its power, then choose a card exiled this way. Until the end of your next turn, you may play that card.

Scarblade's Malice

Target creature you control gains deathtouch and lifelink until end of turn. When that creature dies this turn, create a 2/2 black and green Elf creature token.

Boggart Prankster

Whenever you attack, target attacking Goblin you control gets +1/+0 until end of turn.

Feed the Flames

Feed the Flames deals 5 damage to target creature. If that creature would die this turn, exile it instead.

Boggart Cursecrafter

Deathtouch
Whenever another Goblin you control dies, this creature deals 1 damage to each opponent.

Cinder Strike

As an additional cost to cast this spell, you may blight 1. (You may put a -1/-1 counter on a creature you control.)
Cinder Strike deals 2 damage to target creature. It deals 4 damage to that creature instead if this spell's additional cost was paid.

Mountain

Champion of the Weird

As an additional cost to cast this spell, behold a Goblin and exile it. (Exile a Goblin you control or a Goblin card from your hand.)
Pay 1 life, Blight 2: Target opponent blights 2. Activate only as a sorcery.
When this creature leaves the battlefield, return the exiled card to its owner's hand.

Gutsplitter Gang

At the beginning of your first main phase, you may blight 2. If you don't, you lose 3 life. (To blight 2, put two -1/-1 counters on a creature you control.)