Spectral Shepherd

Flying
{1}{U}: Return target Spirit you control to its owner's hand.

Tenacity

Creatures you control get +1/+1 and gain lifelink until end of turn. Untap those creatures. (Damage dealt by those creatures also causes you to gain that much life.)

Salt Road Patrol

Outlast {1}{W} ({1}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

Siegecraft

Enchant creature
Enchanted creature gets +2/+4.

Inspired Charge

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

Hooting Mandrills

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Trample

Devilthorn Fox

Open the Armory

Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Angel of Vitality

Flying
If you would gain life, you gain that much life plus 1 instead.
This creature gets +2/+2 as long as you have 25 or more life.

Survive the Night

Target creature gets +1/+0 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Timely Hordemate

Raid — When this creature enters, if you attacked this turn, return target creature card with mana value 2 or less from your graveyard to the battlefield.

Strength of Arms

Target creature gets +2/+2 until end of turn. If you control an Equipment, create a 1/1 white Human Soldier creature token.

Dawning Angel

Flying
When this creature enters, you gain 4 life.

Expose Evil

Tap up to two target creatures.
Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Take Up Arms

Create three 1/1 white Warrior creature tokens.

Awaken the Bear

Target creature gets +3/+3 and gains trample until end of turn.

Sagu Archer

Reach (This creature can block creatures with flying.)
Morph {4}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Vessel of Ephemera

{2}{W}, Sacrifice this enchantment: Create two 1/1 white Spirit creature tokens with flying.

Lunarch Inquisitors

When this creature transforms into Lunarch Inquisitors, you may exile another target creature until this creature leaves the battlefield.

Avacynian Missionaries

At the beginning of your end step, if this creature is equipped, transform it.

Avacynian Missionaries // Lunarch Inquisitors

Drogskol Cavalry

Flying
Whenever another Spirit you control enters, you gain 2 life.
{3}{W}: Create a 1/1 white Spirit creature token with flying.

Tusked Colossodon

Chaplain's Blessing

Kill Shot

Inspiring Captain

When this creature enters, creatures you control get +1/+1 until end of turn.

Dauntless Cathar

{1}{W}, Exile this card from your graveyard: Create a 1/1 white Spirit creature token with flying. Activate only as a sorcery.

Moorland Drifter

Delirium — This creature has flying as long as there are four or more card types among cards in your graveyard.

Militant Inquisitor

This creature gets +1/+0 for each Equipment you control.

Nahiri's Machinations

At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
{1}{R}: This enchantment deals 1 damage to target blocking creature.

Thraben Inspector

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Ainok Bond-Kin

Outlast {1}{W} ({1}{W}, {T}: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
Each creature you control with a +1/+1 counter on it has first strike.

Mardu Hateblade

{B}: This creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.)

Gryff's Boon

Enchant creature
Enchanted creature gets +1/+0 and has flying.
{3}{W}: Return this card from your graveyard to the battlefield attached to target creature. Activate only as a sorcery.

Battalion Foot Soldier

When this creature enters, you may search your library for any number of cards named Battalion Foot Soldier, reveal them, put them into your hand, then shuffle.

Puncturing Light

Destroy target attacking or blocking creature with power 3 or less.

War Behemoth

Morph {4}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)