Black Vise

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

City of Traitors

When you play another land, sacrifice City of Traitors.
{T}: Add {C}{C}.

Pyrostatic Pillar

Whenever a player casts a spell with mana value 3 or less, Pyrostatic Pillar deals 2 damage to that player.

Howling Mine

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

Wildfire

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Spellshock

Whenever a player casts a spell, Spellshock deals 2 damage to that player.

Mountain

Sphere of Resistance

City of Brass

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

Goblin Welder

{T}: Choose target artifact a player controls and target artifact card in that player's graveyard. If both targets are still legal as this ability resolves, that player simultaneously sacrifices the artifact and returns the artifact card to the battlefield.

Thran Dynamo

Ancient Tomb

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

Seal of Cleansing

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

Battlefield Forge

{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

Sphere of Law

If a red source would deal damage to you, prevent 2 of that damage.

Urza's Armor

If a source would deal damage to you, prevent 1 of that damage.

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Replenish

Return all enchantment cards from your graveyard to the battlefield. (Auras with nothing to enchant remain in your graveyard.)

Marble Diamond

Marble Diamond enters tapped.
{T}: Add {W}.

Ivory Tower

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.