Plains

Oreskos Swiftclaw

Serra's Guardian

Flying (This creature can't be blocked except by creatures with flying or reach.)
Vigilance (Attacking doesn't cause this creature to tap.)
Other creatures you control have vigilance.

Court Cleric

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Court Cleric gets +1/+1 as long as you control an Ajani planeswalker.

Herald of Faith

Flying
Whenever this creature attacks, you gain 2 life.

Inspired Charge

Creatures you control get +2/+1 until end of turn.

Mighty Leap

Target creature gets +2/+2 and gains flying until end of turn.

Knight's Pledge

Enchant creature
Enchanted creature gets +2/+2.

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.

Rustwing Falcon

Pegasus Courser

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

Dwarven Priest

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

Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on this creature.

Cavalry Drillmaster

When Cavalry Drillmaster enters, target creature gets +2/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

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.

Ajani, Wise Counselor

+2: You gain 1 life for each creature you control.
−3: Creatures you control get +2/+2 until end of turn.
−9: Put X +1/+1 counters on target creature, where X is your life total.

Silverbeak Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)

Revitalize

Ajani's Influence

Put two +1/+1 counters on target creature.
Look at the top five cards of your library. You may reveal a white card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.