Doubling Cube

{3}, {T}: Double the amount of each type of unspent mana you have.

Phyrexian Colossus

This creature doesn't untap during your untap step.
Pay 8 life: Untap this creature.
This creature can't be blocked except by three or more creatures.

Mana Crypt

At the beginning of your upkeep, flip a coin. If you lose the flip, this artifact deals 3 damage to you.
{T}: Add {C}{C}.

Extruder

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Sacrifice an artifact: Put a +1/+1 counter on target creature.

Repentant Vampire

Flying
Whenever a creature dealt damage by this creature this turn dies, put a +1/+1 counter on this creature.
Threshold — As long as seven or more cards are in your graveyard, this creature is white and has "{T}: Destroy target black creature."

Urza's Factory

{T}: Add {C}.
{7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

Dark Sphere

{T}, Sacrifice this artifact: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

Belbe's Portal

As this artifact enters, choose a creature type.
{3}, {T}: You may put a creature card of the chosen type from your hand onto the battlefield.

Delif's Cube

{2}, {T}: This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on this artifact.
{2}, Remove a cube counter from this artifact: Regenerate target creature.

Genesis Chamber

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Mobile Fort

Defender (This creature can't attack.)
{3}: This creature gets +3/-1 until end of turn and can attack this turn as though it didn't have defender. Activate only once each turn.

Lord of the Pit

Flying, trample
At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.

No Mercy

Whenever a creature deals damage to you, destroy it.

Tetravus

Flying
This creature enters with three +1/+1 counters on it.
At the beginning of your upkeep, you may remove any number of +1/+1 counters from this creature. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This token can't be enchanted."
At the beginning of your upkeep, you may exile any number of tokens created with this creature. If you do, put that many +1/+1 counters on this creature.

Torture

Enchant creature
{1}{B}: Put a -1/-1 counter on enchanted creature.

Horror of Horrors

Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Chimeric Idol

{0}: Tap all lands you control. This artifact becomes a 3/3 Turtle artifact creature until end of turn.

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Wall of Distortion

Defender (This creature can't attack.)
{2}{B}, {T}: Target player discards a card. Activate only as a sorcery.

Myr Matrix

Indestructible (Effects that say "destroy" don't destroy this artifact.)
Myr creatures get +1/+1.
{5}: Create a 1/1 colorless Myr artifact creature token.

Flying Carpet

{2}, {T}: Target creature gains flying until end of turn.

Phyrexian Debaser

Flying
{T}, Sacrifice this creature: Target creature gets -2/-2 until end of turn.

Planar Portal

{6}, {T}: Search your library for a card, put that card into your hand, then shuffle.

Swamp

Mindstab

Target player discards three cards.
Suspend 4—{B} (Rather than cast this card from your hand, you may pay {B} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Skyship Weatherlight

When Skyship Weatherlight enters, search your library for any number of artifact and/or creature cards, exile them, then shuffle.
{4}, {T}: Choose a card at random that was exiled with Skyship Weatherlight. Put that card into its owner's hand.

Nightstalker Engine

Nightstalker Engine's power is equal to the number of creature cards in your graveyard.

Phyrexian Devourer

When Phyrexian Devourer's power is 7 or greater, sacrifice it.
Exile the top card of your library: Put X +1/+1 counters on Phyrexian Devourer, where X is the exiled card's mana value.

Deathcurse Ogre

When this creature dies, each player loses 3 life.

Phyrexian Boon

Enchant creature
Enchanted creature gets +2/+1 as long as it's black. Otherwise, it gets -1/-2.

Endrek Sahr, Master Breeder

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's mana value.
When you control seven or more Thrulls, sacrifice Endrek Sahr.

Curse Artifact

Enchant artifact
At the beginning of the upkeep of enchanted artifact's controller, this Aura deals 2 damage to that player unless they sacrifice that artifact.

Whipstitched Zombie

At the beginning of your upkeep, sacrifice this creature unless you pay {B}.

Ring of Gix

Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
{1}, {T}: Tap target artifact, creature, or land.

Nevinyrral's Disk

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

Guul Draz Specter

Flying
This creature gets +3/+3 as long as an opponent has no cards in hand.
Whenever this creature deals combat damage to a player, that player discards a card.

Priest of Yawgmoth

{T}, Sacrifice an artifact: Add an amount of {B} equal to the sacrificed artifact's mana value.

Juzám Djinn

At the beginning of your upkeep, this creature deals 1 damage to you.

Serpent Generator

{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.)

Grim Tutor

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

Corpse Harvester

{1}{B}, {T}, Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, put them into your hand, then shuffle.

Endoskeleton

You may choose not to untap this artifact during your untap step.
{2}, {T}: Target creature gets +0/+3 for as long as this artifact remains tapped.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Cyclopean Giant

When this creature dies, target land becomes a Swamp. Exile this creature.

Guiltfeeder

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)
Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Jayemdae Tome

Sol Ring

Defense Grid

Each spell costs {3} more to cast except during its controller's turn.

Mana Matrix

Instant and enchantment spells you cast cost {2} less to cast.

Predator, Flagship

{2}: Target creature gains flying until end of turn.
{5}, {T}: Destroy target creature with flying.

Phyrexian Rager

When this creature enters, you draw a card and you lose 1 life.

Eldrazi Monument

Creatures you control get +1/+1 and have flying and indestructible.
At the beginning of your upkeep, sacrifice a creature. If you can't, sacrifice this artifact.

Mana Vault

This artifact doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap this artifact.
At the beginning of your draw step, if this artifact is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.

Temple Bell

Minion Reflector

Whenever a nontoken creature you control enters, you may pay {2}. If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

Eater of Days

Flying, trample
When this creature enters, you skip your next two turns.

Necropotence

Skip your draw step.
Whenever you discard a card, exile that card from your graveyard.
Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

Delif's Cone

{T}, Sacrifice this artifact: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

Mind Ravel

Target player discards a card.
Draw a card at the beginning of the next turn's upkeep.

Ashnod's Transmogrant

{T}, Sacrifice this artifact: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

Abomination

Whenever this creature blocks or becomes blocked by a green or white creature, destroy that creature at end of combat.

Limestone Golem

{2}, Sacrifice this creature: Target player draws a card.

Abyssal Gatekeeper

When this creature dies, each player sacrifices a creature of their choice.

Treacherous Werewolf

Threshold — As long as seven or more cards are in your graveyard, this creature gets +2/+2 and has "When this creature dies, you lose 4 life."

Reprocess

Sacrifice any number of artifacts, creatures, and/or lands. Draw a card for each permanent sacrificed this way.

Mindstab Thrull

Whenever this creature attacks and isn't blocked, you may sacrifice it. If you do, defending player discards three cards.