Antagonize

Target creature gets +4/+3 until end of turn.

Stormfront Pegasus

Plains

Steadfast Unicorn

{3}{W}: Creatures you control get +1/+1 and gain vigilance until end of turn. Activate only during your turn. (Attacking doesn't cause them to tap.)

Concordia Pegasus

Rider in Need

Create a 2/2 white Knight creature token with vigilance. (Then exile this card. You may cast the creature later from exile.)

Lonesome Unicorn

Lonesome Unicorn // Rider in Need

Armored Pegasus

Dizzying Swoop

Tap up to two target creatures. (Then exile this card. You may cast the creature later from exile.)

Ardenvale Tactician

Ardenvale Tactician // Dizzying Swoop

Aliban's Tower

Target blocking creature gets +3/+1 until end of turn.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Abuna's Chant

Choose one —
• You gain 5 life.
• Prevent the next 5 damage that would be dealt to target creature this turn.
Entwine {2} (Choose both if you pay the entwine cost.)

Ballynock Trapper

{T}: Tap target creature.
Whenever you cast a white spell, you may untap this creature.

Accelerate

Target creature gains haste until end of turn.
Draw a card.

Act of Heroism

Untap target creature. It gets +2/+2 until end of turn and can block an additional creature this turn.

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Mesa Unicorn

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

Benevolent Unicorn

If a spell would deal damage to a permanent or player, it deals that much damage minus 1 to that permanent or player instead.

Acrobatic Maneuver

Exile target creature you control, then return that card to the battlefield under its owner's control.
Draw a card.

Wispmare

Flying
When this creature enters, destroy target enchantment.
Evoke {W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Celestial Unicorn

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

Aetherflame Wall

Defender
This creature can block creatures with shadow as though they didn't have shadow.
{R}: This creature gets +1/+0 until end of turn.

Armored Warhorse

Accorder's Shield

Equipped creature gets +0/+3 and has vigilance. (Attacking doesn't cause it to tap.)
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Asha's Favor

Enchant creature
Enchanted creature has flying, first strike, and vigilance.

Mountain

Sunmane Pegasus

Flying
{1}{W}: This creature gains vigilance and lifelink until end of turn. (Attacking doesn't cause it to tap. Damage dealt by it also causes you to gain that much life.)

Angelfire Crusader

{R}: This creature gets +1/+0 until end of turn.

Ronom Unicorn

Sacrifice this creature: Destroy target enchantment.

Ajani's Sunstriker

Spitemare

Whenever this creature is dealt damage, it deals that much damage to any target.

Alloy Myr

Aftershock

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

Alpine Meadow

({T}: Add {R} or {W}.)
This land enters tapped.

Pearled Unicorn

Sungrace Pegasus

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

Angelsong

Prevent all combat damage that would be dealt this turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Pegasus Charger

Flying (This creature can't be blocked except by creatures with flying or reach.)
First strike (This creature deals combat damage before creatures without first strike.)

Ajani's Mantra

At the beginning of your upkeep, you may gain 1 life.

Regal Unicorn

Opaline Unicorn

Arborea Pegasus

Flying
When this creature enters, target creature gets +1/+1 and gains flying until end of turn.