Whenever a creature enters the battlefield under your control, you gain 1 life. If Answered Prayers isn't a creature, it becomes a 3/3 Angel creature with flying in addition to its other types until end of turn.
{1}{W}
Arashin Cleric
Creature - Human Cleric
When Arashin Cleric enters the battlefield, you gain 3 life.
1 /
3
{2}{W}
Basilica Guards
Creature - Human Soldier
Defender
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
1 /
4
{W}
Cathedral Sanctifier
Creature - Human Cleric
When Cathedral Sanctifier enters the battlefield, you gain 3 life.
1 /
1
{W}
Chaplain's Blessing
Sorcery
You gain 5 life.
{W}
Children of Korlis
Creature - Human Rebel Cleric
Sacrifice Children of Korlis: You gain life equal to the life you've lost this turn. (Damage causes loss of life.)
1 /
1
{3}{W}
Congregate
Instant
Target player gains 2 life for each creature on the battlefield.
{1}{W}
Cursebreak
Instant
Destroy target enchantment. You gain 2 life.
{1}{W}
Divine Favor
Enchantment - Aura
Enchant creature
When Divine Favor enters the battlefield, you gain 3 life.
Enchanted creature gets +1/+3.
{1}{W}
Divine Offering
Instant
Destroy target artifact. You gain life equal to its mana value.
{W}
Healing Grace
Instant
Prevent the next 3 damage that would be dealt to any target this turn by a source of your choice. You gain 3 life.
{1}{W}
Impassioned Orator
Creature - Human Cleric
Whenever another creature enters the battlefield under your control, you gain 1 life.
2 /
2
{1}{W}
Lone Missionary
Creature - Kor Monk
When Lone Missionary enters the battlefield, you gain 4 life.
2 /
1
{W}
Pride Guardian
Creature - Cat Monk
Defender
Whenever Pride Guardian blocks, you gain 3 life.
0 /
3
{1}{W}
Rest for the Weary
Instant
Target player gains 4 life.
Landfall -- If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.
{W}
Soul Warden
Creature - Human Cleric
Whenever another creature enters the battlefield, you gain 1 life.
1 /
1
{W}
Soul's Attendant
Creature - Human Cleric
Whenever another creature enters the battlefield, you may gain 1 life.
1 /
1
{1}{W}
Suture Priest
Creature - Phyrexian Cleric
Whenever another creature enters the battlefield under your control, you may gain 1 life.
Whenever a creature enters the battlefield under an opponent's control, you may have that player lose 1 life.