Skyhunter Patrol

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

Serra's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying and vigilance. (Attacking doesn't cause it to tap.)

Ancestor's Chosen

First strike (This creature deals combat damage before creatures without first strike.)
When Ancestor's Chosen enters, you gain 1 life for each card in your graveyard.

Loxodon Mystic

Condemn

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Angel of Mercy

Flying
When Angel of Mercy enters, you gain 3 life.

Wild Griffin

Benalish Knight

Flash (You may cast this spell any time you could cast an instant.)
First strike (This creature deals combat damage before creatures without first strike.)

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Venerable Monk

When Venerable Monk enters, you gain 2 life.

Angel's Feather

Whenever a player casts a white spell, you may gain 1 life.

Ghost Warden

{T}: Target creature gets +1/+1 until end of turn.

Plains

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Pariah

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.