Mountain

Howling Mine

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Demonic Tutor

Search your library for a card, put that card into your hand, then shuffle.

Chaos Orb

{1}, {T}: If this artifact is on the battlefield, flip it onto the battlefield from a height of at least one foot. If this artifact turns over completely at least once during the flip, destroy all nontoken permanents it touches. Then destroy this artifact.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Terror

Destroy target nonartifact, nonblack creature. It can't be regenerated.

Sinkhole

Winds of Change

Each player shuffles the cards from their hand into their library, then draws that many cards.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Black Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.)

Shatter

Black Vise

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Relic Barrier

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.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Meekstone

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Fork

Copy target instant or sorcery spell, except that the copy is red. You may choose new targets for the copy.

Underworld Dreams

Whenever an opponent draws a card, this enchantment deals 1 damage to that player.

Sol Ring

Dark Ritual

Swamp

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.