Demonic Tutor

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

The Rack

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 3 minus the number of cards in their hand.

Underground Sea

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.

Mox Sapphire

Counterspell

Recall

Discard X cards, then return a card from your graveyard to your hand for each card discarded this way. Exile Recall.

Mox Pearl

Disenchant

Mind Twist

Target player discards X cards at random.

Tundra

Scrubland

Black Lotus

{T}, Sacrifice this artifact: Add three mana of any one color.

Strip Mine

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

Mox Jet

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.

Ancestral Recall

Dark Ritual

Swamp

Hypnotic Specter

Flying
Whenever this creature deals damage to an opponent, that player discards a card at random.

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.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Hymn to Tourach

Target player discards two cards at random.

Library of Alexandria

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

Time Walk

Braingeyser

Island

Swords to Plowshares

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

Sol Ring

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.