Forcefield

{1}: The next time an unblocked creature of your choice would deal combat damage to you this turn, prevent all but 1 of that damage.

Ivory Tower

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

Mirror Universe

{T}, Sacrifice this artifact: Exchange life totals with target opponent. Activate only during your upkeep.

Holy Light

Nonwhite creatures get -1/-1 until end of turn.

Nevinyrral's Disk

This artifact enters tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.

Onulet

When this creature dies, you gain 2 life.

Phyrexian War Beast

When this creature leaves the battlefield, sacrifice a land and this creature deals 1 damage to you.

Ring of Ma'rûf

{5}, {T}, Exile this artifact: The next time you would draw a card this turn, instead put a card you own from outside the game into your hand.

Serpent Generator

Poison Counter

{4}, {T}: Create a 1/1 colorless Snake artifact creature token. It has "Whenever this creature deals damage to a player, that player gets a poison counter." (A player with ten or more poison counters loses the game.)

Shield of the Ages

{2}: Prevent the next 1 damage that would be dealt to you this turn.

Shield Sphere

Defender
Whenever this creature blocks, put a -0/-1 counter on it.

Stone Calendar

Su-Chi

When this creature dies, add {C}{C}{C}{C}.

Tawnos's Coffin

You may choose not to untap this artifact during your untap step.
{3}, {T}: Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When this artifact leaves the battlefield or becomes untapped, return that exiled card to the battlefield under its owner's control tapped with the noted number and kind of counters on it. If you do, return the other exiled cards to the battlefield under their owner's control attached to that permanent.

Icatian Lieutenant

{1}{W}: Target Soldier creature gets +1/+0 until end of turn.

Urza's Bauble

{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Masters Edition