Plains

Shadow Glider

Shining Armor

Flash
When Shining Armor enters, attach it to target Knight you control.
Equipped creature gets +0/+2 and has vigilance.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Prowling Felidar

Vigilance
Landfall — Whenever a land you control enters, put a +1/+1 counter on Prowling Felidar.

Relief Captain

When Relief Captain enters, support 3. (Put a +1/+1 counter on each of up to three other target creatures.)

Enforcer Griffin

Impeccable Timing

Impeccable Timing deals 3 damage to target attacking or blocking creature.

Gaze of Justice

As an additional cost to cast this spell, tap three untapped white creatures you control.
Exile target creature.
Flashback {5}{W} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Disenchant

Smite the Monstrous

Destroy target creature with power 4 or greater.

Shoulder to Shoulder

Support 2. (Put a +1/+1 counter on each of up to two target creatures.)
Draw a card.

Cliffside Lookout

{4}{W}: Creatures you control get +1/+1 until end of turn.

Vanguard's Shield

Equipped creature gets +0/+3 and can block an additional creature each combat.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Shielded Passage

Prevent all damage that would be dealt to target creature this turn.

Palace Sentinels

When Palace Sentinels enters, you become the monarch.

Serene Steward

Whenever you gain life, you may pay {W}. If you do, put a +1/+1 counter on target creature.

Makindi Aeronaut

Solemn Offering

Destroy target artifact or enchantment. You gain 4 life.

Kor Sky Climber

{1}{W}: Kor Sky Climber gains flying until end of turn.

Revoke Privileges

Enchant creature
Enchanted creature can't attack, block, or crew Vehicles.

Spawnbinder Mage

Cohort — {T}, Tap an untapped Ally you control: Tap target creature.

Sheer Drop

Destroy target tapped creature.
Awaken 3—{5}{W} (If you cast this spell for {5}{W}, also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Woolly Razorback

Woolly Razorback enters with three ice counters on it.
As long as Woolly Razorback has an ice counter on it, prevent all combat damage it would deal and it has defender.
Whenever Woolly Razorback blocks, remove an ice counter from it.

Ninth Bridge Patrol

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

Pressure Point

Archway Commons

Archway Commons enters tapped.
When Archway Commons enters, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.

Spectral Reserves

Create two 1/1 white Spirit creature tokens with flying. You gain 2 life.

Makindi Patrol

Rally — Whenever Makindi Patrol or another Ally you control enters, creatures you control gain vigilance until end of turn.