Midnight Guard

Whenever another creature enters, untap Midnight Guard.

Unquestioned Authority

Enchant creature
When Unquestioned Authority enters, draw a card.
Enchanted creature has protection from creatures.

Phalanx Tactics

Target creature you control gets +2/+1 until end of turn. Each other creature you control gets +1/+1 until end of turn.

Plains

Skyhunter Patrol

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without first strike.)

Dawn of Hope

Whenever you gain life, you may pay {2}. If you do, draw a card.
{3}{W}: Create a 1/1 white Soldier creature token with lifelink.

Chains of Custody

Enchant creature you control
When Chains of Custody enters, exile target nonland permanent an opponent controls until Chains of Custody leaves the battlefield.
Enchanted creature has ward {2}. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Kami of Ancient Law

Sacrifice Kami of Ancient Law: Destroy target enchantment.

Thriving Heath

Thriving Heath enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Magnanimous Magistrate

Magnanimous Magistrate enters with five reprieve counters on it.
Whenever another nontoken creature you control dies, if its mana value was 1 or greater, you may remove that many reprieve counters from Magnanimous Magistrate. If you do, return that card to the battlefield under its owner's control.

Law-Rune Enforcer

{1}, {T}: Tap target creature with mana value 2 or greater.

Arrest

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.

Nightguard Patrol

Ninth Bridge Patrol

Whenever another creature you control leaves the battlefield, put a +1/+1 counter on Ninth Bridge Patrol.