Power Artifact
Casting Cost:
Enchant artifact
Enchanted artifact's activated abilities cost less to activate. This effect can't reduce the amount of mana an ability costs to activate to less than one mana.
$ 000
Shapeshifter
As Shapeshifter enters the battlefield, choose a number between 0 and 7.
At the beginning of your upkeep, you may choose a number between 0 and 7.
Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number.
Shatterstorm
Destroy all artifacts. They can't be regenerated.
Strip Mine (Even Horizon)
: Add to your mana pool.
, Sacrifice Strip Mine: Destroy target land.
Strip Mine (No Horizon)
Strip Mine (Tower)
Strip Mine (Uneven Horizon)
Su-Chi
When Su-Chi dies, add to your mana pool.
Tawnos's Coffin
You may choose not to untap Tawnos's Coffin during your untap step.
, : Exile target creature and all Auras attached to it. Note the number and kind of counters that were on that creature. When Tawnos's Coffin 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.
Tetravus
Flying
Tetravus enters the battlefield with three +1/+1 counters on it.
At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, put that many 1/1 colorless Tetravite artifact creature tokens onto the battlefield. They each have flying and "This creature can't be enchanted."
At the beginning of your upkeep, you may exile any number of tokens put onto the battlefield with Tetravus. If you do, put that many +1/+1 counters on Tetravus.
The Rack
As The Rack enters the battlefield, choose an opponent.
At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in his or her hand.
Transmute Artifact
Sacrifice an artifact. If you do, search your library for an artifact card. If that card's converted mana cost is less than or equal to the sacrificed artifact's converted mana cost, put it onto the battlefield. If it's greater, you may pay , where X is the difference. If you do, put it onto the battlefield. If you don't, put it into its owner's graveyard. Then shuffle your library.
Triskelion
Triskelion enters the battlefield with three +1/+1 counters on it.
Remove a +1/+1 counter from Triskelion: Triskelion deals 1 damage to target creature or player.
Urza's Avenger
: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
Urza's Mine (Clawed Sphere)
: Add to your mana pool. If you control an Urza's Power-Plant and an Urza's Tower, add to your mana pool instead.
Urza's Mine (Mouth)
Urza's Mine (Pulley)
Urza's Mine (Tower)
Urza's Miter
Whenever an artifact you control is put into a graveyard from the battlefield, if it wasn't sacrificed, you may pay 3. If you do, draw a card.
Urza's Power Plant (Bug)
: Add to your mana pool. If you control an Urza's Mine and an Urza's Tower, add to your mana pool instead.