Terminate

Destroy target creature. It can't be regenerated.

Goblin Warchief

Goblin spells you cast cost {1} less to cast.
Goblins you control have haste.

Festering Goblin

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

Mountain

Blanket of Night

Each land is a Swamp in addition to its other land types.

Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment.
{B}: This enchantment deals 1 damage to each creature and each player.

Forgotten Cave

This land enters tapped.
{T}: Add {R}.
Cycling {R} ({R}, Discard this card: Draw a card.)

Dralnu's Crusade

All Goblins get +1/+1.
All Goblins are black and are Zombies in addition to their other creature types.

Dingus Egg

Whenever a land is put into a graveyard from the battlefield, this artifact deals 2 damage to that land's controller.

Swamp

Kormus Bell

All Swamps are 1/1 black creatures that are still lands.

Cabal Coffers

{2}, {T}: Add {B} for each Swamp you control.

Dark Ritual

Goblin Sharpshooter

This creature doesn't untap during your untap step.
Whenever a creature dies, untap this creature.
{T}: This creature deals 1 damage to any target.

Goblin Chieftain

Haste (This creature can attack and {T} as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

Barren Moor

This land enters tapped.
{T}: Add {B}.
Cycling {B} ({B}, Discard this card: Draw a card.)