Whenever Archon of the Triumvirate attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
4 /
5
{2}{W}
Arrest
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{2}{W}
Arrest
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{2}{W}
Arrest
Enchantment - Aura
Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
{1}{W}
Azorius Arrester
Creature - Human Soldier
When Azorius Arrester enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
2 /
1
{W}{U}
Azorius Charm
Instant
Choose one --
• Creatures you control gain lifelink until end of turn.
• Draw a card.
• Put target attacking or blocking creature on top of its owner's library.
--
Azorius Guildgate
Land - Gate
Azorius Guildgate enters the battlefield tapped.
{T}: Add {W} or {U}.
{2}{W}{W}
Azorius Justiciar
Creature - Human Wizard
When Azorius Justiciar enters the battlefield, detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)
2 /
2
{3}
Azorius Keyrune
Artifact
{T}: Add {W} or {U}.
{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.
{3}
Azorius Keyrune
Artifact
{T}: Add {W} or {U}.
{W}{U}: Azorius Keyrune becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.
{2}{W}
Basilica Guards
Creature - Human Soldier
Defender
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
1 /
4
{1}{U}{U}
Cancel
Instant
Counter target spell.
{U}{U}
Counterspell
Instant
Counter target spell.
{2}{W}{W}
Dawn to Dusk
Sorcery
Choose one or both --
• Return target enchantment card from your graveyard to your hand.
• Destroy target enchantment.
{1}{U}
Deepwater Hypnotist
Creature - Merfolk Wizard
Inspired -- Whenever Deepwater Hypnotist becomes untapped, target creature an opponent controls gets -3/-0 until end of turn.
2 /
1
{U}
Dispel
Instant
Counter target instant spell.
{2}{U}
Divination
Sorcery
Draw two cards.
{U}
Downsize
Instant
Target creature you don't control gets -4/-0 until end of turn.
Overload {2}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{W}{U}
Dramatic Rescue
Instant
Return target creature to its owner's hand. You gain 2 life.
{2}{U}
Frost Breath
Instant
Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
{2}{W}
Griffin Sentinel
Creature - Griffin
Flying
Vigilance (Attacking doesn't cause this creature to tap.)
1 /
3
{3}{U}
Griptide
Instant
Put target creature on top of its owner's library.
{2}{W}{U}
Hussar Patrol
Creature - Human Knight
Flash (You may cast this spell any time you could cast an instant.)
Vigilance
2 /
4
{1}{U}
Inaction Injunction
Sorcery
Detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
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}.)
{3}{U}
Keymaster Rogue
Creature - Human Rogue
Keymaster Rogue can't be blocked.
When Keymaster Rogue enters the battlefield, return a creature you control to its owner's hand.
3 /
2
{3}{W}
Knight of Obligation
Creature - Human Knight
Vigilance
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
2 /
4
{U}
Lost in a Labyrinth
Instant
Target creature gets -3/-0 until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
{1}{W}{U}
Lyev Skyknight
Creature - Human Knight
Flying
When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
3 /
1
{1}{W}{U}
Lyev Skyknight
Creature - Human Knight
Flying
When Lyev Skyknight enters the battlefield, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
3 /
1
{W}{U}
New Prahv Guildmage
Creature - Human Wizard
{W}{U}: Target creature gains flying until end of turn.
{3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)
2 /
2
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{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}{W}{U}
Righteous Authority
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+1 for each card in its controller's hand.
At the beginning of the draw step of enchanted creature's controller, that player draws an additional card.
--
Rogue's Passage
Land
{T}: Add {C}.
{4}, {T}: Target creature can't be blocked this turn.
{1}{U}
Skygames
Enchantment - Aura
Enchant land
Enchanted land has "{T}: Target creature gains flying until end of turn. Activate only as a sorcery."
When Soulsworn Spirit enters the battlefield, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)
2 /
1
{W}
Swift Justice
Instant
Until end of turn, target creature gets +1/+0 and gains first strike and lifelink.
{2}
Tablet of the Guilds
Artifact
As Tablet of the Guilds enters the battlefield, choose two colors.
Whenever you cast a spell, if it's at least one of the chosen colors, you gain 1 life for each of the chosen colors it is.
{1}{W/U}{W/U}
Vassal Soul
Creature - Spirit
Flying
2 /
2
{1}{U}{U}
Wall of Frost
Creature - Wall
Defender
Whenever Wall of Frost blocks a creature, that creature doesn't untap during its controller's next untap step.
0 /
7
{2}{U}{U}
Water Servant
Creature - Elemental
{U}: Water Servant gets +1/-1 until end of turn.
{U}: Water Servant gets -1/+1 until end of turn.
3 /
4
{X}{W}{W}
Alabaster Potion
Instant
Choose one --
• Target player gains X life.
• Prevent the next X damage that would be dealt to any target this turn.
{U}
Annul
Instant
Counter target artifact or enchantment spell.
{4}{W}
Battleflight Eagle
Creature - Bird
Flying
When Battleflight Eagle enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.
2 /
2
{4}{W}
Bazaar Krovod
Creature - Beast
Whenever Bazaar Krovod attacks, another target attacking creature gets +0/+2 until end of turn. Untap that creature.
2 /
5
{U}
Dispel
Instant
Counter target instant spell.
{1}{U}
Disperse
Instant
Return target nonland permanent to its owner's hand.
{2}{W}{U}
Hussar Patrol
Creature - Human Knight
Flash (You may cast this spell any time you could cast an instant.)
Vigilance
2 /
4
{1}{U}
Memory Lapse
Instant
Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.
{1}{U}
Omenspeaker
Creature - Human Wizard
When Omenspeaker enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
1 /
3
{3}{U}{U}
Prescient Chimera
Creature - Chimera
Flying
Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
3 /
4
{1}{U}
Sage Owl
Creature - Bird
Flying
When Sage Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.
1 /
1
{W}
Trained Caracal
Creature - Cat
Lifelink (Damage dealt by this creature also causes you to gain that much life.)