Soul Warden

Whenever another creature enters, you gain 1 life.

Priest of Ancient Lore

When Priest of Ancient Lore enters, you gain 1 life and draw a card.

Kor Cartographer

When Kor Cartographer enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Bonesplitter

Aerial Responder

Plains

Thraben Militia

Thraben Sentry

Vigilance
Whenever another creature you control dies, you may transform Thraben Sentry.

Thraben Sentry // Thraben Militia

Seal of Cleansing

Sacrifice Seal of Cleansing: Destroy target artifact or enchantment.

Disenchant

Death Ward

Soltari Foot Soldier

Shadow (This creature can block or be blocked by only creatures with shadow.)

Devout Witness

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Graceful Cat

Whenever Graceful Cat attacks, it gets +1/+1 until end of turn.

Fencing Ace

Double strike (This creature deals both first-strike and regular combat damage.)

Angelic Edict

+2 Mace

Equipped creature gets +2/+2.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Rebuke

Intrepid Hero

{T}: Destroy target creature with power 4 or greater.

Sejiri Steppe

Sejiri Steppe enters tapped.
When Sejiri Steppe enters, target creature you control gains protection from the color of your choice until end of turn.
{T}: Add {W}.

Porcelain Legionnaire

({W/P} can be paid with either {W} or 2 life.)
First strike

Isamaru, Hound of Konda

Righteous Cause

Whenever a creature attacks, you gain 1 life.

Kabira Crossroads

Kabira Crossroads enters tapped.
When Kabira Crossroads enters, you gain 2 life.
{T}: Add {W}.

Knight of Meadowgrain

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