When Agent of Treachery enters the battlefield, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.
2 /
3
{2}
Altar of Dementia
Artifact
Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
--
Ancient Tomb
Land
{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{3}{U}
Aura Thief
Creature - Illusion
Flying
When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)
2 /
2
{1}{U}{U}
Barrin, Master Wizard
Legendary Creature - Human Wizard
{2}, Sacrifice a permanent: Return target creature to its owner's hand.
1 /
1
{3}{U}{U}
Beguiler of Wills
Creature - Human Wizard
{T}: Gain control of target creature with power less than or equal to the number of creatures you control.
1 /
1
{4}{U}{U}{U}
Blatant Thievery
Sorcery
For each opponent, gain control of target permanent that player controls.
{U}
Brainstorm
Instant
Draw three cards, then put two cards from your hand on top of your library in any order.
{1}{U}{U}{ // }{1}{U}
Brazen Borrower // Petty Theft
Creature - Faerie Rogue // Instant - Adventure
Flash
Flying
Brazen Borrower can block only creatures with flying.
Return target nonland permanent an opponent controls to its owner's hand.
3 /
1
{3}{U}{U}
Bribery
Sorcery
Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.
{1}{U}{U}
Capsize
Instant
Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Return target permanent to its owner's hand.
--
Castle Vantress
Land
Castle Vantress enters the battlefield tapped unless you control an Island.
{T}: Add {U}.
{2}{U}{U}, {T}: Scry 2.
{2}{U}{U}
Chamber of Manipulation
Enchantment - Aura
Enchant land
Enchanted land has "{T}, Discard a card: Gain control of target creature until end of turn."
{2}{U}
Chasm Skulker
Creature - Squid Horror
Whenever you draw a card, put a +1/+1 counter on Chasm Skulker.
When Chasm Skulker dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on Chasm Skulker. (They can't be blocked as long as defending player controls an Island.)
1 /
1
{4}{U}{U}
Consecrated Sphinx
Creature - Sphinx
Flying
Whenever an opponent draws a card, you may draw two cards.
4 /
6
{X}{U}{U}
Curse of the Swine
Sorcery
Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.
{1}{U}
Cyclonic Rift
Instant
Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{3}{U}{U}
Desertion
Instant
Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.
{3}{U}{U}
Evacuation
Instant
Return all creatures to their owners' hands.
{2}{U}
Fierce Guardianship
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Counter target noncreature spell.
{3}{U}{U}
Force of Will
Instant
You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.
{2}{U}
Frantic Search
Instant
Draw two cards, then discard two cards. Untap up to three lands.
{1}{U}
Hatching Plans
Enchantment
When Hatching Plans is put into a graveyard from the battlefield, draw three cards.
{4}
Hedron Archive
Artifact
{T}: Add {C}{C}.
{2}, {T}, Sacrifice Hedron Archive: Draw two cards.
{2}
Ichor Wellspring
Artifact
When Ichor Wellspring enters the battlefield or is put into a graveyard from the battlefield, draw a card.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{0}
Jeweled Lotus
Artifact
{T}, Sacrifice Jeweled Lotus: Add three mana of any one color. Spend this mana only to cast your commander.
{5}{U}
Keiga, the Tide Star
Legendary Creature - Dragon Spirit
Flying
When Keiga, the Tide Star dies, gain control of target creature.
5 /
5
{5}
Lifeline
Artifact
Whenever a creature dies, if another creature is on the battlefield, return the first card to the battlefield under its owner's control at the beginning of the next end step.
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{U}{U}
Mana Drain
Instant
Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
--
Maze of Ith
Land
{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.
{3}
Mirage Mirror
Artifact
{2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn.
{4}{U}
Mulldrifter
Creature - Elemental
Flying
When Mulldrifter enters the battlefield, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
2 /
2
{2}
Mycosynth Wellspring
Artifact
When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{U}
Mystic Remora
Enchantment
Cumulative upkeep {1} (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.)
Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.
{1}{U}{U}
Narset, Parter of Veils
Legendary Planeswalker - Narset
Each opponent can't draw more than one card each turn.
-2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
L:
5
{4}
Nevinyrral's Disk
Artifact
Nevinyrral's Disk enters the battlefield tapped.
{1}, {T}: Destroy all artifacts, creatures, and enchantments.
{2}{U}
Noble Benefactor
Creature - Human Cleric
When Noble Benefactor dies, each player may search their library for a card and put that card into their hand. Then each player who searched their library this way shuffles.
2 /
2
--
Nykthos, Shrine to Nyx
Legendary Land
{T}: Add {C}.
{2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)
{9}
Phyrexian Triniform
Artifact Creature - Phyrexian Golem
When Phyrexian Triniform dies, create three 3/3 colorless Phyrexian Golem artifact creature tokens.
Encore {12} ({12}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)
9 /
9
{U}
Ponder
Sorcery
Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.
{U}
Pongify
Instant
Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.
{U}
Preordain
Sorcery
Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)
{U}
Private Research
Enchantment - Aura
Enchant creature
At the beginning of your upkeep, you may put a page counter on Private Research.
When enchanted creature dies, draw a card for each page counter on Private Research.
{2}{U}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{U}
Rapid Hybridization
Instant
Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.
{3}{U}
Reef Worm
Creature - Worm
When Reef Worm dies, create a 3/3 blue Fish creature token with "When this creature dies, create a 6/6 blue Whale creature token with 'When this creature dies, create a 9/9 blue Kraken creature token.'"
0 /
1
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
--
Riptide Laboratory
Land
{T}: Add {C}.
{1}{U}, {T}: Return target Wizard you control to its owner's hand.
{3}{U}{U}{U}
Roil Elemental
Creature - Elemental
Flying
Landfall -- Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.
3 /
2
{U}
Siren Stormtamer
Creature - Siren Pirate Wizard
Flying
{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.
1 /
1
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{2}{U}{U}
Slithermuse
Creature - Elemental
When Slithermuse leaves the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.
Evoke {3}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
3 /
3
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{7}
Spine of Ish Sah
Artifact
When Spine of Ish Sah enters the battlefield, destroy target permanent.
When Spine of Ish Sah is put into a graveyard from the battlefield, return Spine of Ish Sah to its owner's hand.
{U}
Suspend
Instant
Exile target creature and put two time counters on it. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they play it without paying its mana cost. If it's a creature, it has haste.)
{U}
Swan Song
Instant
Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.
{3}{U}
Thought Sponge
Creature - Sponge
Flash
Thought Sponge enters the battlefield with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn.
When Thought Sponge dies, draw cards equal to its power.
When Triplicate Titan dies, create a 3/3 colorless Golem artifact creature token with flying, a 3/3 colorless Golem artifact creature token with vigilance, and a 3/3 colorless Golem artifact creature token with trample.
9 /
9
{5}
Ugin's Nexus
Legendary Artifact
If a player would begin an extra turn, that player skips that turn instead.
If Ugin's Nexus would be put into a graveyard from the battlefield, instead exile it and take an extra turn after this one.
--
War Room
Land
{T}: Add {C}.
{3}, {T}, Pay life equal to the number of colors in your commanders' color identity: Draw a card.
{1}{U}
Watcher for Tomorrow
Creature - Human Wizard
Hideaway 4 (When this creature enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
Watcher for Tomorrow enters the battlefield tapped.
When Watcher for Tomorrow leaves the battlefield, put the exiled card into its owner's hand.
2 /
1
{1}
Wayfarer's Bauble
Artifact
{2}, {T}, Sacrifice Wayfarer's Bauble: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{2}{U}
Windfall
Sorcery
Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
{6}
Wurmcoil Engine
Artifact Creature - Phyrexian Wurm
Deathtouch, lifelink
When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.