Sentinel

Artifact Creature - Shapeshifter

: Sentinel's toughness becomes 1 plus the power of target creature blocking or blocked by Sentinel. (This effect lasts indefinitely.)

Triassic Egg

Artifact

, : Put a hatchling counter on Triassic Egg.

Sacrifice Triassic Egg: Choose one - You may put a creature card from your hand onto the battlefield; or return target creature card from your graveyard to the battlefield. Activate this ability only if two or more hatchling counters are on Triassic Egg.

Living Armor

Artifact

, Sacrifice Living Armor: Put X +0/+1 counters on target creature, where X is that creature's converted mana cost.

Though it affords excellent protection, few don this armor. The process is uncomfortable and not easily reversed.

Reflecting Mirror

Artifact

, : Change the target of target spell with a single target if that target is you. The new target must be a player. X is twice the converted mana cost of that spell.

Wand of Ith

Artifact

, : Target player reveals a card at random from his or her hand. If it's a land card, that player discards it unless he or she pays 1 life. If it isn't a land card, the player discards it unless he or she pays life equal to its converted mana cost. Activate this ability only during your turn.

War Barge

Artifact

: Target creature gains islandwalk until end of turn. When War Barge leaves the battlefield this turn, destroy that creature. A creature destroyed this way can't be regenerated.

Ice Cauldron

Artifact

, : Put a charge counter on Ice Cauldron and exile a nonland card from your hand. You may cast that card for as long as it remains exiled. Note the type and amount of mana spent to pay this activation cost. Activate this ability only if there are no charge counters on Ice Cauldron.

, Remove a charge counter from Ice Cauldron: Add Ice Cauldron's last noted type and amount of mana to your mana pool. Spend this mana only to cast the last card exiled with Ice Cauldron.

Soldevi Golem

Artifact Creature - Golem

Soldevi Golem doesn't untap during your untap step.

At the beginning of your upkeep, you may untap target tapped creature an opponent controls. If you do, untap Soldevi Golem.

Slow and steady wins the race.

Soldevi Simulacrum

Artifact Creature - Soldier

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

: Soldevi Simulacrum gets +1/+0 until end of turn.

They look human-
until they bleed.

Vibrating Sphere

Artifact

As long as it's your turn, creatures you control get +2/+0.

As long as it's not your turn, creatures you control get -0/-2.

"Unearthly and invisible fibers emanate from this sphere, entangling all who draw near."
-Arcum Dagsson, Soldevi Machinist

Walking Wall

Artifact Creature - Wall

Defender

: Walking Wall gets +3/-1 until end of turn and can attack this turn as though it didn't have defender. Activate this ability only once each turn.

"The fortress is not what it seems."
-Arcum Dagsson, Soldevi Machinist

Clockwork Gnomes

Artifact Creature - Gnome

, : Regenerate target artifact creature.

"Until I came to the Floating Isle, I never had to oil the servants."
-Baki, Wizard Attendant

Clockwork Swarm

Artifact Creature - Insect

Clockwork Swarm enters the battlefield with four +1/+0 counters on it.

Clockwork Swarm can't be blocked by Walls.

At end of combat, if Clockwork Swarm attacked or blocked this combat, remove a +1/+0 counter from it.

, : Put up to X +1/+0 counters on Clockwork Swarm. This ability can't cause the total number of +1/+0 counters on Clockwork Swarm to be greater than four. Activate this ability only during your upkeep.

Serrated Arrows

Artifact

Serrated Arrows enters the battlefield with three arrowhead counters on it.

At the beginning of your upkeep, if there are no arrowhead counters on Serrated Arrows, sacrifice it.

, Remove an arrowhead counter from Serrated Arrows: Put a -1/-1 counter on target creature.

Acidic Dagger

Artifact

, : Whenever target creature deals combat damage to a non-Wall creature this turn, destroy that non-Wall creature. When the targeted creature leaves the battlefield this turn, sacrifice Acidic Dagger. Activate this ability only before blockers are declared.

Bone Mask

Artifact

, : The next time a source of your choice would deal damage to you this turn, prevent that damage. Exile cards from the top of your library equal to the damage prevented this way.

"The protection offered comes at a price. How numerous are your kin?"
-Purraj of Urborg

Crystal Golem

Artifact Creature - Golem

At the beginning of your end step, Crystal Golem phases out. (While it's phased out, it's treated as though it doesn't exist. It phases in before you untap during your next untap step.)

"Once, a wealthy king commissioned an artificial creature to be crafted from the royal treasury, thinking it a clever ploy to have the jewels guard themselves."
-Azeworai, "The Golem's Wish"

Elixir of Vitality

Artifact

Elixir of Vitality enters the battlefield tapped.

, Sacrifice Elixir of Vitality: You gain 4 life.

, , Sacrifice Elixir of Vitality: You gain 8 life.

"Eternal life or your money back."
-Unnamed Suq'Ata merchant, deceased

Razor Pendulum

Artifact

At the beginning of each player's end step, if that player has 5 or less life, Razor Pendulum deals 2 damage to him or her.

"Amazing thing, gravity. It seems to work every time."
-Telim'Tor

Brass-Talon Chimera

Artifact Creature - Chimera

First strike

Sacrifice Brass-Talon Chimera: Put a +2/+2 counter on target Chimera creature. It gains first strike. (This effect lasts indefinitely.)

Diamond Kaleidoscope

Artifact

, : Put a 0/1 colorless Prism artifact creature token onto the battlefield.

Sacrifice a Prism token: Add one mana of any color to your mana pool.

"A pretty toy. Now show me its tactical applications."
-Telim'Tor

Iron-Heart Chimera

Artifact Creature - Chimera

Vigilance

Sacrifice Iron-Heart Chimera: Put a +2/+2 counter on target Chimera creature. It gains vigilance. (This effect lasts indefinitely.)

Lead-Belly Chimera

Artifact Creature - Chimera

Trample

Sacrifice Lead-Belly Chimera: Put a +2/+2 counter on target Chimera creature. It gains trample. (This effect lasts indefinitely.)

Sands of Time

Artifact

Each player skips his or her untap step.

At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land he or she controls and taps each untapped artifact, creature, and land he or she controls.

"But once, with a magician's help, Time was stopped and Day stood still."
-"Love Song of Night and Day"

Tin-Wing Chimera

Artifact Creature - Chimera

Flying

Sacrifice Tin-Wing Chimera: Put a +2/+2 counter on target Chimera creature. It gains flying. (This effect lasts indefinitely.)

Bubble Matrix

Artifact

Prevent all damage that would be dealt to creatures.

"This device was commisioned by a king who desired peace. Unfortunately, the royal artificer was also the king's jester."
-Hanna, Weatherlight navigator

Dingus Staff

Artifact

Whenever a creature dies, Dingus Staff deals 2 damage to that creature's controller.

"A sharp conscience is the weapon of the soul."
-Hanna, Weatherlight navigator

Thran Tome

Artifact

, : Reveal the top three cards of your library. Target opponent chooses one of those cards. Put that card into your graveyard, then draw two cards.

Every line holds a tale, and between lie a thousand more.

Cold Storage

Artifact

: Exile target creature you control.

Sacrifice Cold Storage: Return each creature card exiled with Cold Storage to the battlefield under your control.

Echo Chamber

Artifact

, : An opponent chooses target creature he or she controls. Put a token that's a copy of that creature onto the battlefield. That token gains haste until end of turn. Exile the token at the beginning of the next end step. Activate this ability only any time you could cast a sorcery.

Emmessi Tome

Artifact

, : Draw two cards, then discard a card.

It is like life and destiny: we think we know the story, but we have read only half the tale.

Energizer

Artifact Creature - Juggernaut

, : Put a +1/+1 counter on Energizer.

Like a kettle set to boil, it must eventually go off-on someone.

Fool's Tome

Artifact

, : Draw a card. Activate this ability only if you have no cards in hand.

Squee: "What's that?"
Ertai: "It's a magical book."
Squee: "Am I smart enough ta use it?"
Ertai: "You could say that."

Helm of Possession

Artifact

You may choose not to untap Helm of Possession during your untap step.

, , Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.

Telethopter

Artifact Creature - Thopter

Tap an untapped creature you control: Telethopter gains flying until end of turn.

After losing several of the devices to midair collisions, Greven forbade moggs from operating telethopters.

Bullwhip

Artifact

, : Bullwhip deals 1 damage to target creature. That creature attacks this turn if able.

"Pain is a crude way to enforce obedience, but it is cheap and plentiful."
-Volrath

Hornet Cannon

Artifact

, : Put a 1/1 colorless Insect artifact creature token with flying and haste named Hornet onto the battlefield. Destroy it at the beginning of the next end step.

Portcullis

Artifact

Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature. Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.

Erratic Portal

Artifact

, : Return target creature to its owner's hand unless its controller pays .

"In Barrin's name!" cried Lyna as Hanna's sword passed through her, "Ertai sends word that the portal is open-but not for long!"

Mindless Automaton

Artifact Creature - Construct

Mindless Automaton enters the battlefield with two +1/+1 counters on it.

, Discard a card: Put a +1/+1 counter on Mindless Automaton.

Remove two +1/+1 counters from Mindless Automaton: Draw a card.