Militia Bugler

Vigilance (Attacking doesn't cause this creature to tap.)
When Militia Bugler enters, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Hieromancer's Cage

When Hieromancer's Cage enters, exile target nonland permanent an opponent controls until Hieromancer's Cage leaves the battlefield.

Mesa Unicorn

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Gallant Cavalry

Vigilance (Attacking doesn't cause this creature to tap.)
When Gallant Cavalry enters, create a 2/2 white Knight creature token with vigilance.

Call the Cavalry

Create two 2/2 white Knight creature tokens with vigilance.

Plains

Benalish Marshal

Fan Bearer

Valiant Knight

Other Knights you control get +1/+1.
{3}{W}{W}: Knights you control gain double strike until end of turn.

Militant Angel

Flying, lifelink
When Militant Angel enters, create a number of 2/2 white Knight creature tokens with vigilance equal to the number of opponents you attacked this turn.

Knightly Valor

Enchant creature
When Knightly Valor enters, create a 2/2 white Knight creature token with vigilance. (Attacking doesn't cause it to tap.)
Enchanted creature gets +2/+2 and has vigilance.

Bright Reprisal

Destroy target attacking creature.
Draw a card.

Everdawn Champion

Prevent all combat damage that would be dealt to Everdawn Champion.

Cleansing Nova

Choose one —
• Destroy all creatures.
• Destroy all artifacts and enchantments.

Dwarven Priest

When Dwarven Priest enters, you gain 1 life for each creature you control.

Aerial Responder

Mentor of the Meek

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Pegasus Courser

Flying
Whenever Pegasus Courser attacks, another target attacking creature gains flying until end of turn.

Subjugator Angel

Flying
When Subjugator Angel enters, tap all creatures your opponents control.

Inspiring Captain

When Inspiring Captain enters, creatures you control get +1/+1 until end of turn.