Soul's Attendant

Whenever another creature enters, you may gain 1 life.

Solemn Offering

Destroy target artifact or enchantment. You gain 4 life.

Safe Passage

Prevent all damage that would be dealt to you and creatures you control this turn.

Serra Angel

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

Siege Mastodon

Seraph Sanctuary

When Seraph Sanctuary enters, you gain 1 life.
Whenever an Angel you control enters, you gain 1 life.
{T}: Add {C}.

Suspension Field

When Suspension Field enters, you may exile target creature with toughness 3 or greater until Suspension Field leaves the battlefield. (That creature returns under its owner's control.)

Oblivion Ring

When Oblivion Ring enters, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Spirit Mantle

Enchant creature
Enchanted creature gets +1/+1 and has protection from creatures.

Plains

Defy Death

Return target creature card from your graveyard to the battlefield. If it's an Angel, put two +1/+1 counters on it.

Emancipation Angel

Flying
When Emancipation Angel enters, return a permanent you control to its owner's hand.

Squadron Hawk

Flying
When Squadron Hawk enters, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Seraph of Dawn

Silence

Your opponents can't cast spells this turn.

Condemn

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

Staff of the Sun Magus

Whenever you cast a white spell or a Plains you control enters, you gain 1 life.