Throne of Geth

Artifact

, Sacrifice an artifact: Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)

At the heart of Ish Sah, Geth stokes the dark fires of Phyrexia.

Tower of Calamities

Artifact

, : Tower of Calamities deals 12 damage to target creature.

The ur-golems concealed one of their towers out of fear that its power would be abused, and in anticipation of a time when its power would be sorely needed.

Trigon of Corruption

Artifact

Trigon of Corruption enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Corruption.

, , Remove a charge counter from Trigon of Corruption: Put a -1/-1 counter on target creature.

Trigon of Infestation

Artifact

Trigon of Infestation enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Infestation.

, , Remove a charge counter from Trigon of Infestation: Put a 1/1 green Insect creature token with infect onto the battlefield.

Trigon of Mending

Artifact

Trigon of Mending enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Mending.

, , Remove a charge counter from Trigon of Mending: Target player gains 3 life.

Trigon of Rage

Artifact

Trigon of Rage enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Rage.

, , Remove a charge counter from Trigon of Rage: Target creature gets +3/+0 until end of turn.

Trigon of Thought

Artifact

Trigon of Thought enters the battlefield with three charge counters on it.

, : Put a charge counter on Trigon of Thought.

, , Remove a charge counter from Trigon of Thought: Draw a card.

Tumble Magnet

Artifact

Tumble Magnet enters the battlefield with three charge counters on it.

, Remove a charge counter from Tumble Magnet: Tap target artifact or creature.

Magnetic devices that keep massive golems and structures standing can also be used for the opposite purpose.

Venser's Journal

Artifact

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

A Planeswalker's chronicle spans worlds and civilizations, each page a lifetime.

Angelheart Vial

Artifact

Whenever you're dealt damage, you may put that many charge counters on Angelheart Vial.

, , Remove four charge counters from Angelheart Vial: You gain 2 life and draw a card.

It holds a whisper from Iona: "Persevere."

Dreamstone Hedron

Artifact

: Add to your mana pool.

, , Sacrifice Dreamstone Hedron: Draw three cards.

Only the Eldrazi mind thinks in the warped paths required to open the hedrons and tap the power within.

Hedron Matrix

Artifact - Equipment

Equipped creature gets +X/+X, where X is its converted mana cost.

Equip

The hedrons awoke along with the Eldrazi, forming superstructures that radiated overwhelming magic.

Keening Stone

Artifact

, : Target player puts the top X cards of his or her library into his or her graveyard, where X is the number of cards in that player's graveyard.

As it spins, dead voices shriek in an ever-increasing cacophony, rending the mind asunder.

Ogre's Cleaver

Artifact - Equipment

Equipped creature gets +5/+0.

Equip

She adopted the weapon of the slave-lord Kazuul, and with it, all his cruelty.

Pennon Blade

Artifact - Equipment

Equipped creature gets +1/+1 for each creature you control.

Equip

Draped with the pennon of a fallen outpost, the sword came to symbolize the peoples of Zendikar becoming one.

Prophetic Prism

Artifact

When Prophetic Prism enters the battlefield, draw a card.

, : Add one mana of any color to your mana pool.

"The explorer who found it got a bad deal when he sold it. He merely got rich."

Sphinx-Bone Wand

Artifact

Whenever you cast an instant or sorcery spell, you may put a charge counter on Sphinx-Bone Wand. If you do, Sphinx-Bone Wand deals damage equal to the number of charge counters on it to target creature or player.

Its host's final curse lies captured within.

Warmonger's Chariot

Artifact - Equipment

Equipped creature gets +2/+2.

As long as equipped creature has defender, it can attack as though it didn't have defender.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

The best defense is a good offense.

Adventuring Gear

Artifact - Equipment

Landfall - Whenever a land enters the battlefield under your control, equipped creature gets +2/+2 until end of turn.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

An explorer's essentials in a wild world.

Blade of the Bloodchief

Artifact - Equipment

Whenever a creature dies, put a +1/+1 counter on equipped creature. If equipped creature is a Vampire, put two +1/+1 counters on it instead.

Equip

Carnage Altar

Artifact

, Sacrifice a creature: Draw a card.

"In these bloodstains I will find the fingerprints of our oppressors."
-Anowon, the Ruin Sage

Eldrazi Monument

Artifact

Creatures you control get +1/+1, have flying, and are indestructible.

At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice Eldrazi Monument.

"Gods don't die. They merely slumber."
-Ayli, Kamsa cleric

Eternity Vessel

Artifact

Eternity Vessel enters the battlefield with X charge counters on it, where X is your life total.

Landfall - Whenever a land enters the battlefield under your control, you may have your life total become the number of charge counters on Eternity Vessel.

Expedition Map

Artifact

, , Sacrifice Expedition Map: Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library.

"I use maps to find out where explorers have already been. Then I go the other way."
-Javad Nasrin, Ondu relic hunter

Explorer's Scope

Artifact - Equipment

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Grappling Hook

Artifact - Equipment

Equipped creature has double strike.

Whenever equipped creature attacks, you may have target creature block it this turn if able.

Equip

Part tool, part weapon, part of the kor.

Khalni Gem

Artifact

When Khalni Gem enters the battlefield, return two lands you control to their owner's hand.

: Add two mana of any one color to your mana pool.

A fragment of ancient power lost in the heart of Ora Ondar.

Spidersilk Net

Artifact - Equipment

Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.)

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Trailblazer's Boots

Artifact - Equipment

Equipped creature has nonbasic landwalk. (It's unblockable as long as defending player controls a nonbasic land.)

Equip

It's much easier to list the places they haven't been.

Trusty Machete

Artifact - Equipment

Equipped creature gets +2/+1.

Equip

"Until this expedition is done, that blade is your guardian, your liberator, and your best friend all rolled into one."
-Yon Basrel, Oran-Rief survivalist

Fieldmist Borderpost

Artifact

You may pay and return a basic land you control to its owner's hand rather than pay Fieldmist Borderpost's mana cost.

Fieldmist Borderpost enters the battlefield tapped.

: Add or to your mana pool.

Shield of the Righteous

Artifact - Equipment

Equipped creature gets +0/+2 and has vigilance.

Whenever equipped creature blocks a creature, that creature doesn't untap during its controller's next untap step.

Equip

Unbender Tine

Artifact

: Untap another target permanent.

Creations made in madness may contain great power. The path to that power is as labyrinthine as the creator's mind.

Mask of Riddles

Artifact - Equipment

Equipped creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever equipped creature deals combat damage to a player, you may draw a card.

Equip

Mistvein Borderpost

Artifact

You may pay and return a basic land you control to its owner's hand rather than pay Mistvein Borderpost's mana cost.

Mistvein Borderpost enters the battlefield tapped.

: Add or to your mana pool.

Time Sieve

Artifact

, Sacrifice five artifacts: Take an extra turn after this one.

"I pray that I am never considered useless or old."
-Sharuum the Hegemon

Demonspine Whip

Artifact - Equipment

: Equipped creature gets +X/+0 until end of turn.

Equip

Using a spine to break a slave's back appeals to the Grixis sense of irony.

Veinfire Borderpost

Artifact

You may pay and return a basic land you control to its owner's hand rather than pay Veinfire Borderpost's mana cost.

Veinfire Borderpost enters the battlefield tapped.

: Add or to your mana pool.

Firewild Borderpost

Artifact

You may pay and return a basic land you control to its owner's hand rather than pay Firewild Borderpost's mana cost.

Firewild Borderpost enters the battlefield tapped.

: Add or to your mana pool.

Mage Slayer

Artifact - Equipment

Whenever equipped creature attacks, it deals damage equal to its power to defending player.

Equip

"When the wielder is strong enough, any sword will do."
-Kresh the Bloodbraided