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
--
Azorius Chancery
Land
Azorius Chancery enters the battlefield tapped.
When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.
{T}: Add {W}{U}.
--
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
{1}{W/U}
Curse of Chains
Enchantment - Aura
Enchant creature
At the beginning of each upkeep, tap enchanted creature.
{4}{W}
Enforcer Griffin
Creature - Griffin
Flying
3 /
4
{1}{W/U}{W/U}
Lavinia, Foil to Conspiracy
Legendary Creature - Human Detective
Vigilance
Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
{T}: Add {C}{C}. Activate only during an opponent's turn.
2 /
3
{W}
Law-Rune Enforcer
Creature - Human Soldier
{1}, {T}: Tap target creature with mana value 2 or greater.
1 /
2
{W}
Oust
Sorcery
Put target creature into its owner's library second from the top. Its controller gains 3 life.
--
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}.)
{2}{W/U}{W/U}
Portal Manipulator
Creature - Human Wizard
Flash
When Portal Manipulator enters the battlefield during the declare attackers step, choose target player and any number of target attacking creatures their opponents control. Those creatures are now attacking that player.
3 /
2
{3}{W}
Rally to Battle
Instant
Creatures you control get +1/+3 until end of turn. Untap them.
{1}{W}{W}{U}
Supreme Verdict
Sorcery
This spell can't be countered.
Destroy all creatures.
--
Thriving Heath
Land
Thriving Heath enters the battlefield tapped.
As Thriving Heath enters the battlefield, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.
{2}{W}
Trusted Pegasus
Creature - Pegasus
Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Trusted Pegasus attacks, target attacking creature without flying gains flying until end of turn.
2 /
2
{1}{W}
War Screecher
Creature - Bird
Flying
{5}{W}, {T}: Other creatures you control get +1/+1 until end of turn.