Library of Alexandria

Tap to add 1 colorless mana to your mana pool or draw a card from your library; you may use the card-drawing ability only if you have exactly seven cards in your hand.

Mana Drain

Counters target spell. At the beginning of your next main phase, add {X} to your mana pool, where X is the casting cost of target spell.

Moat

Non-flying creatures cannot attack.

The Abyss

All players bury one target non-artifact creature under their control, if they have any, during their upkeep.

Mishra's Factory

{T}: Add one colorless mana to your mana pool. {1}: Mishra's Factory becomes an Assembly Worker, a 2/2 artifact creature, until end of turn. Assembly Worker still counts as a land but cannot be tapped for mana the turn it comes into play. {T}: Target Assembly Worker gets +1/+1 until end of turn.

Recall

Choose and discard X cards from your hand, then return that many cards from your graveyard to your hand. Remove Recall from the game.

City of Brass

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

Ivory Tower

During your upkeep phase, gain 1 life for each card in your hand above four.

Dust to Dust

Removes two target artifacts from the game.

Volcanic Island

Counts as both islands and mountains and is affected by spells that affect either. Tap to add either {U} or {R} to your mana pool.

Counterspell

Counters target spell as it is being cast.

Mox Emerald

Add 1 green mana to your mana pool. Tapping this artifact can be played as an interrupt.

Mox Sapphire

Add 1 blue mana to your mana pool. Tapping this artifact can be played as an interrupt.

Red Elemental Blast

Counters a blue spell being cast or destroys a blue card in play.

Stone Rain

Destroys any one land.

Chaos Orb

{1}: Flip Chaos Orb onto the playing area from a height of at least one foot. Chaos Orb must turn completely over at least once or it is discarded with no effect. When Chaos Orb lands, any cards in play that it touches are destroyed, as is Chaos Orb.

Jayemdae Tome

{4}: You may draw one extra card.

Underground Sea

Counts as both swamp and islands and is affected by spells that affect either. Tap to add either {B} or {U} to your mana pool.

Blue Elemental Blast

Counters target red spell being cast or destroys a red card in play.

Time Walk

Take an extra turn after this one.

Mox Jet

Add 1 black mana to your mana pool. Tapping this artifact can be played as an interrupt.

Serra Angel

Flying Does not tap when attacking.

Tundra

Counts as both islands and plains and is affected by spells that affect either. Tap to add either {U} or {W} to your mana pool.

Timetwister

Set Timetwister aside in a new graveyard pile. Shuffle your hand, library, and graveyard together into a new library and draw a new hand of seven cards, leaving all cards in play where they are; opponent must do the same.

Mox Ruby

Add 1 red mana to your mana pool. Tapping this artifact can be played as an interrupt.

Balance

Whichever player has more lands in play must discard enough lands of his or her choice to equalize the number of lands both players have in play. Cards in hand and creatures in play must be equalized the same way. Creatures lost in this manner may not be regenerated.

Mind Twist

Opponent must discard X cards at random from hand. If opponent doesn't have enough cards in hand, entire hand is discarded.

Mox Pearl

Add 1 white mana to your mana pool. Tapping this artifact can be played as an interrupt.

Ancestral Recall

Draw 3 cards or force opponent to draw 3 cards.

Braingeyser

Draw X cards or force opponent to draw X cards.

Fireball

Fireball does X damage total, divided evenly (round down) among any number of targets. Pay 1 extra mana for each target beyond the first.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Swords to Plowshares

Target creature is removed from game entirely; return to owner's deck only when game is over. Creature's controller gains life points equal to creature's power.

Black Lotus

Adds 3 mana of any single color of your choice to your mana pool, then is discarded. Tapping this artifact can be played as an interrupt.

Demonic Tutor

You may search your library for one card and take it into your hand. Reshuffle your library afterwards.

Regrowth

Return any card from your graveyard to your hand.

Circle of Protection: Black

{1}: Prevents all damage against you from one black source. If a source does damage to you more than once in a turn, you must pay 1 mana each time you want to prevent the damage.

Fellwar Stone

Sol Ring

Strip Mine

Disenchant

Destroy target artifact or enchantment.