Have

Seasoned Marshal

Whenever this creature attacks, you may tap target creature.

Glorious Anthem

Sandsteppe Outcast

When this creature enters, choose one —
• Put a +1/+1 counter on this creature.
• Create a 1/1 white Spirit creature token with flying.

Gold Myr

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Ajani's Pridemate

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

Plains

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Fiend Hunter

When this creature enters, you may exile another target creature.
When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Ghost-Lit Redeemer

{W}, {T}: You gain 2 life.
Channel — {1}{W}, Discard this card: You gain 4 life.

Ornithopter of Paradise

Angel of Mercy

Flying
When this creature enters, you gain 3 life.

Daybreak Chaplain

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

Healer's Hawk

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

Soulmender

Divine Arrow

Divine Arrow deals 4 damage to target attacking or blocking creature.

Humble

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Take Vengeance

Diving Griffin

Assault Griffin

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Benalish Marshal

White Dragon

Flying
Cold Breath — When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Linden, the Steadfast Queen

Vigilance (Attacking doesn't cause this creature to tap.)
Whenever a white creature you control attacks, you gain 1 life.

Voice of All

Flying
As this creature enters, choose a color.
This creature has protection from the chosen color.

Armored Ascension

Enchant creature
Enchanted creature gets +1/+1 for each Plains you control and has flying.