Demonic Tutor

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

Sinkhole

Mox Sapphire

Stone Rain

Shatter

Black Lotus

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

Library of Alexandria

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

Gloom

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

Nether Void

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

Strip Mine

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

Badlands

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.

Mox Pearl

Hymn to Tourach

Target player discards two cards at random.

Crumble

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

Mox Jet

Howling Mine

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

Greed

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.

Regrowth

Return target card from your graveyard to your hand.

Mind Twist

Target player discards X cards at random.

Sol Ring

Underworld Dreams

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

Mox Emerald

Bayou

Taiga

Relic Barrier

Mox Ruby

City of Brass

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

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.