Whenever this creature attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to this creature's power and its toughness is equal to this creature's toughness. Sacrifice the token at end of combat.
Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.
"As the experimental population grows, so do the number of myr. It's a perfect equilibrium."
—Memnarch
Whenever an opponent discards a card, you may draw a card.
The book shrieks horribly until its cover is opened, granting the spirit inside a moment's rest from the painful stirrings of the book's contents.
Equipped creature gets +2/+1 and has ", Unattach Heartseeker: Destroy target creature."
Equip (: Attach to target creature you control. Equip only as a sorcery.)
This creature attacks each combat if able.
This creature can't be blocked by Walls.
The goblins built it far larger than the cave opening, but to their glee, it smashed into the mountainside, ripping itself a new exit.
Whenever a player casts a blue spell, you may gain 1 life.
Bright as a mirror, dark as the sea.
Equipped creature has ", Unattach Leonin Bola: Tap target creature."
Equip (: Attach to target creature you control. Equip only as a sorcery.)
You don't lose the game for having 0 or less life.
Whenever you lose life, sacrifice a permanent for each 1 life you lost. (Damage causes loss of life.)
: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.)
: Gain control of target artifact. (This effect lasts indefinitely.)
In the blur between metal and flesh, Memnarch found madness.
All permanents are artifacts in addition to their other types.
All cards that aren't on the battlefield, spells, and permanents are colorless.
Players may spend mana as though it were mana of any color.
: Target land becomes an artifact in addition to its other types until end of turn.
One thing the myr can't do is enjoy the scenery.
Indestructible (Effects that say "destroy" don't destroy this artifact.)
Myr creatures get +1/+1.
: Create a 1/1 colorless Myr artifact creature token.
When this creature dies, add .
Memnarch created the myr with three qualities in mind: dependability, controllability, and disposability.
All creatures able to block equipped creature do so.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Affinity for Mountains (This spell costs less to cast for each Mountain you control.)
Haste
The longer it patrols the smoldering crags of the Oxidda Chain, the more it adopts their fiery temper.
Imprint — , : You may exile an instant or sorcery card with mana value X from your hand.
At the beginning of your upkeep, you may copy a card exiled with this artifact. If you do, you may cast the copy without paying its mana cost.
Affinity for Plains (This spell costs less to cast for each Plains you control.)
Vigilance
The longer it stands among the deadly blades of the Razor Fields, the more it adopts their harsh exterior.
: Add .
Any time you could mulligan and this card is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)
Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible.
Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.)
Equip
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip
Sacrifice a creature: Put a charge counter on this artifact.
, Remove two charge counters from this artifact: Create a 2/2 colorless Spawn artifact creature token.
Equipped creature gets +1/+0.
Whenever equipped creature deals combat damage to a player, that player discards a card.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Imprint — When this Equipment enters, you may exile an instant card from your hand.
Whenever equipped creature deals combat damage to a player, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Equip
Whenever this creature blocks, put a +1/+1 counter on it.
Remove a +1/+1 counter from this creature: This creature can't be blocked this turn.
It rolls with the punches.
Affinity for Islands (This spell costs less to cast for each Island you control.)
Flying
The longer it soars above the shimmering swirls of the Quicksilver Sea, the more it adopts their unpredictability.
When this creature enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands.
Equipped creature has first strike and ", Unattach Surestrike Trident: This creature deals damage equal to its power to target player or planeswalker."
Equip (: Attach to target creature you control. Equip only as a sorcery.)
Equipped creature gets +2/+2 and has protection from red and from blue.
Whenever equipped creature deals combat damage to a player, this Equipment deals 2 damage to any target and you draw a card.
Equip
Equipped creature gets +2/+2 and has protection from white and from black.
Whenever equipped creature deals combat damage to a player, you gain 3 life and you may return up to one target creature card from your graveyard to your hand.
Equip
Whenever a source you control other than this artifact deals damage to an opponent, put a charge counter on this artifact.
, , Remove X charge counters from this artifact: It deals X damage to any target.
Affinity for Forests (This spell costs less to cast for each Forest you control.)
The longer it weaves through the twisted vines of the Tangle, the more it adopts their hidden strength.
, : Target opponent reveals cards from the top of their library until an artifact card or X cards are revealed, whichever comes first. If an artifact card is revealed this way, put it onto the battlefield under your control and sacrifice this artifact. Put the rest of the revealed cards into that player's graveyard.
As long as this artifact is untapped, if a creature would deal combat damage to you, prevent 1 of that damage.
, : Attacking creatures get +1/+0 until end of turn.
As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost to cast costs to cast instead.)
: Add .
It still stares accusingly at Memnarch, though millennia have passed since he separated the eye from its body.
: Untap target artifact creature.
The undead may outlast the living, but those who have never lived outlast them both.
Equipped creature gets +2/+2.
Equip (: Attach to target creature you control. Equip only as a sorcery.)
, Sacrifice an Island: Create a 2/2 blue Elemental creature token with flying.
, Sacrifice a Mountain: Create a 3/3 red Elemental creature token.
It gives legs to the earth and wings to the sky.
Whenever you gain life, you may pay , where X is less than or equal to the amount of life you gained. If you do, draw X cards.
Some say the knowledge lost during the Ritual of Rebuking is returned through the well's waters.
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip
, : Flip a coin. If you win the flip, create a 2/2 colorless Insect artifact creature token with flying named Wirefly. If you lose the flip, destroy all permanents named Wirefly.
"The lifespan of a wirefly can be precisely described as 'short.'"
—Bruenna, Neurok leader
Whenever a player casts a green spell, you may gain 1 life.
A wurm knows nothing of deception. If it opens its mouth, it plans to eat you.
: Add .
: This land becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land.
, : Target Blinkmoth creature gets +1/+1 until end of turn.
Indestructible
: Add .
Panopticon, forge of the Darksteel Eye, home of Mirrodin's keeper.
: Add .
: Put a charge counter on this land.
, Remove a charge counter from this land: Add one mana of any color.