Gloom

White spells cost {3} more to cast.
Activated abilities of white enchantments cost {3} more to activate.

Tranquility

Chains of Mephistopheles

If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.

Sol Ring

Black Lotus

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Strip Mine

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

Mox Ruby

Demonic Tutor

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

Bayou

Evil Presence

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Relic Barrier

Mox Sapphire

Greed

Taiga

Underworld Dreams

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

Mox Emerald

Nether Void

Whenever a player casts a spell, counter it unless that player pays {3}.

Howling Mine

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

Ice Storm

The Abyss

At the beginning of each player's upkeep, destroy target nonartifact creature that player controls of their choice. It can't be regenerated.

Sinkhole

Wheel of Fortune

Each player discards their hand, then draws seven cards.

Stone Rain

Mox Jet

Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Regrowth

Return target card from your graveyard to your hand.

Hymn to Tourach

Target player discards two cards at random.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory 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.

City of Brass

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