Seal Away

Flash
When this enchantment enters, exile target tapped creature an opponent controls until this enchantment leaves the battlefield.

Soul Snuffers

When this creature enters, put a -1/-1 counter on each creature.

Vizkopa Confessor

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.)
When this creature enters, pay any amount of life. Target opponent reveals that many cards from their hand. You choose one of them and exile it.

Death Grasp

Death Grasp deals X damage to any target. You gain X life.

Wall of Hope

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

Voracious Hatchling

Lifelink
This creature enters with four -1/-1 counters on it.
Whenever you cast a white spell, remove a -1/-1 counter from this creature.
Whenever you cast a black spell, remove a -1/-1 counter from this creature.

Hopeful Eidolon

Bestow {3}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Enchanted creature gets +1/+1 and has lifelink.

Smolder Initiate

Whenever a player casts a black spell, you may pay {1}. If you do, target player loses 1 life.

Serene Steward

Whenever you gain life, you may pay {W}. If you do, put a +1/+1 counter on target creature.

Divinity of Pride

Flying, lifelink
This creature gets +4/+4 as long as you have 25 or more life.

Gwyllion Hedge-Mage

When this creature enters, if you control two or more Plains, you may create a 1/1 white Kithkin Soldier creature token.
When this creature enters, if you control two or more Swamps, you may put a -1/-1 counter on target creature.

Recumbent Bliss

Enchant creature
Enchanted creature can't attack or block.
At the beginning of your upkeep, you may gain 1 life.

Restless Apparition

{W/B}{W/B}{W/B}: This creature gets +3/+3 until end of turn.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Demystify

Apothecary Initiate

Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.

Resplendent Mentor

White creatures you control have "{T}: You gain 1 life."

Archon of Justice

Flying
When this creature dies, exile target permanent.

Kithkin Zealot

When this creature enters, you gain 1 life for each black and/or red permanent target opponent controls.

Flickerwisp

Flying
When this creature enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Batwing Brume

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature they control if {B} was spent to cast this spell. (Do both if {W}{B} was spent.)

Woeleecher

{W}, {T}: Remove a -1/-1 counter from target creature. If you do, you gain 2 life.

Endure

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

Beckon Apparition

Exile target card from a graveyard. Create a 1/1 white and black Spirit creature token with flying.

Rite of Consumption

As an additional cost to cast this spell, sacrifice a creature.
Rite of Consumption deals damage equal to the sacrificed creature's power to target player or planeswalker. You gain life equal to the damage dealt this way.

Spirit Link

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Whenever enchanted creature deals damage, you gain that much life.

Mesa Unicorn

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

Unmake

Suture Spirit

Flying
{W/B}{W/B}{W/B}: Regenerate target creature.

Goldenglow Moth

Flying
Whenever this creature blocks, you may gain 4 life.

Swamp

Ordeal of Heliod

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, you gain 10 life.

Farbog Revenant

Skulk (This creature can't be blocked by creatures with greater power.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Deathpact Angel

Flying
When this creature dies, create a 1/1 white and black Cleric creature token. It has "{3}{W}{B}{B}, {T}, Sacrifice this token: Return a card named Deathpact Angel from your graveyard to the battlefield."

Hallow

Prevent all damage target spell would deal this turn. You gain life equal to the damage prevented this way.