Mirrodin

Relic Bane

Relic Bane {1}{B}{B}

Enchantment - Aura
Enchant artifact
Enchanted artifact has "At the beginning of your upkeep, you lose 2 life."
A sword that has seen cowardice in battle exacts the price of honor from its wielder.
Slith Bloodletter

Slith Bloodletter {B}{B}

Creature - Slith
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
{1}{B}: Regenerate this creature.
Goblins fear the slith, believing they are children banished from the womb of the Steel Mother, deep within Kuldotha.
1/1
Spoils of the Vault

Spoils of the Vault {B}

Instant
Choose a card name. Reveal cards from the top of your library until you reveal a card with that name, then put that card into your hand. Exile all other cards revealed this way, and you lose 1 life for each of the exiled cards.
Terror

Terror {1}{B}

Instant
Destroy target nonartifact, nonblack creature. It can't be regenerated.
"A simple trap in a dark corner of the mind, and their nightmares catch up with them."
—Geth, keeper of the Vault
Related card: Garth One-Eye
Vermiculos

Vermiculos {4}{B}

Creature - Horror
Whenever an artifact enters, this creature gets +4/+4 until end of turn.
Mirrodin's artificial environment requires its own predators, scavengers, and senseless forces of nature.
1/1
Wail of the Nim

Wail of the Nim {2}{B}

Instant
Choose one —
• Regenerate each creature you control.
• Wail of the Nim deals 1 damage to each creature and each player.
Entwine {B}
Wall of Blood

Wall of Blood {2}{B}

Creature - Wall
Defender
Pay 1 life: This creature gets +1/+1 until end of turn.
Blood is thicker than mortar.
0/2
Woebearer

Woebearer {4}{B}

Creature - Zombie
Fear
Whenever this creature deals combat damage to a player, you may return target creature card from your graveyard to your hand.
2/3
Wrench Mind

Wrench Mind {B}{B}

Sorcery
Target player discards two cards unless they discard an artifact card.
What is the sound of one head snapping?
Arc-Slogger

Arc-Slogger {3}{R}{R}

Creature - Beast
{R}, Exile the top ten cards of your library: This creature deals 2 damage to any target.
A shuffling sound and the smell of ozone follow the slogger as surely as its electric tail.
4/5
Atog

Atog {1}{R}

Creature - Atog
Sacrifice an artifact: This creature gets +2/+2 until end of turn.
On Dominaria, a scavenger. On Mirrodin, a predator.
1/2
Related card: Golgothian Sylex
Confusion in the Ranks

Confusion in the Ranks {3}{R}{R}

Enchantment
Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.
Detonate

Detonate {X}{R}

Sorcery
Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.
The goblins have forty-two different words for "ow."
Related card: Golgothian Sylex
Electrostatic Bolt

Electrostatic Bolt {R}

Instant
Electrostatic Bolt deals 2 damage to target creature. If it's an artifact creature, Electrostatic Bolt deals 4 damage to it instead.
It's hard to avoid electric shock when the entire plane is metallic.
Fiery Gambit

Fiery Gambit {2}{R}

Sorcery
Flip a coin until you lose a flip or choose to stop flipping. If you lose a flip, Fiery Gambit has no effect. If you win one or more flips, Fiery Gambit deals 3 damage to target creature. If you win two or more flips, Fiery Gambit deals 6 damage to each opponent. If you win three or more flips, draw nine cards and untap all lands you control.
Fists of the Anvil

Fists of the Anvil {1}{R}

Instant
Target creature gets +4/+0 until end of turn.
Gron's mind reeled with possibilities, most of which are best left unmentioned.
Forge Armor

Forge Armor {4}{R}

Instant
As an additional cost to cast this spell, sacrifice an artifact.
Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value.
Fractured Loyalty

Fractured Loyalty {1}{R}

Enchantment - Aura
Enchant creature
Whenever enchanted creature becomes the target of a spell or ability, that spell or ability's controller gains control of that creature.
Goblin Striker

Goblin Striker {1}{R}

Creature - Goblin Berserker
First strike, haste
There's no word in the goblin language for "strategy." Then again, there's no word in the goblin language for "word."
1/1
Grab the Reins

Grab the Reins {3}{R}

Instant
Choose one —
• Until end of turn, you gain control of target creature and it gains haste.
• Sacrifice a creature. Grab the Reins deals damage equal to that creature's power to any target.
Entwine {2}{R}
Incite War

Incite War {2}{R}

Instant
Choose one —
• Creatures target player controls attack this turn if able.
• Creatures you control gain first strike until end of turn.
Entwine {2}
Krark-Clan Grunt

Krark-Clan Grunt {2}{R}

Creature - Goblin Warrior
Sacrifice an artifact: This creature gets +1/+0 and gains first strike until end of turn.
The more weapons a goblin breaks in battle, the more respected he becomes.
2/2
Krark-Clan Shaman

Krark-Clan Shaman {R}

Creature - Goblin Shaman
Sacrifice an artifact: This creature deals 1 damage to each creature without flying.
"What do you mean, we're out of stuff to melt down? Give me your leg."
1/1
Mass Hysteria

Mass Hysteria {R}

Enchantment
All creatures have haste.
The sooner you see the whites of their eyes, the sooner you'll spill the red of their blood.
Megatog

Megatog {4}{R}{R}

Creature - Atog
Sacrifice an artifact: This creature gets +3/+3 and gains trample until end of turn.
In an ironic bit of evolution, the megatog's dozens of teeth are mainly ornamental. It prefers swallowing things whole.
3/4