Swamp

Ulcerate

Target creature gets -3/-3 until end of turn. You lose 3 life.

Shadowcloak Vampire

Pay 2 life: Shadowcloak Vampire gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

Accursed Spirit

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Blood Host

{1}{B}, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life.

Wall of Limbs

Defender (This creature can't attack.)
Whenever you gain life, put a +1/+1 counter on Wall of Limbs.
{5}{B}{B}, Sacrifice Wall of Limbs: Target player loses X life, where X is Wall of Limbs's power.

Solemn Offering

Destroy target artifact or enchantment. You gain 4 life.

Tireless Missionaries

When Tireless Missionaries enters, you gain 3 life.

Pillar of Light

Exile target creature with toughness 4 or greater.

Wall of Essence

Defender (This creature can't attack.)
Whenever Wall of Essence is dealt combat damage, you gain that much life.

Sungrace Pegasus

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

Kinsbaile Skirmisher

When Kinsbaile Skirmisher enters, target creature gets +1/+1 until end of turn.

Witch's Familiar

Soulmender

First Response

At the beginning of each upkeep, if you lost life last turn, create a 1/1 white Soldier creature token.

Divine Favor

Enchant creature
When Divine Favor enters, you gain 3 life.
Enchanted creature gets +1/+3.

Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

Plains

Geist of the Moors

Child of Night

Sign in Blood

Target player draws two cards and loses 2 life.

Crippling Blight

Enchant creature
Enchanted creature gets -1/-1 and can't block.

Staff of the Death Magus

Whenever you cast a black spell or a Swamp you control enters, you gain 1 life.