Ward—Pay 3 life. Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Flying Whenever you gain life, put a +1/+1 counter on Bloodthirsty Aerialist.

Deathtouch Whenever another creature enters the battlefield under your control, you gain 1 life. Whenever another creature you control dies, each opponent loses 1 life.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life.

Other Vampires you control get +1/+1.

Flying Whenever Vampire Envoy becomes tapped, you gain 1 life.

Flying, deathtouch, lifelink

Whenever you gain life, target opponent loses that much life. {3}{B}{B}: Creatures you control gain lifelink until end of turn.

({T}: Add {W}.)

Restless Fortress enters the battlefield tapped. {T}: Add {W} or {B}. {2}{W}{B}: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land. Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.

Black creatures get +1/+1.

Equipped creature has flying and first strike. Equip {2}

Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.

Whenever you gain life, put a +1/+1 counter on Bloodbond Vampire.

Flying If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

When Cliffhaven Kitesail enters the battlefield, attach it to target creature you control. Equipped creature has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Flying Equipped creature has flying and "You can't lose the game and your opponents can't win the game." Reconfigure {5} ({5}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Equipped creature has flying. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Whenever Cruel Celebrant or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

Whenever an opponent loses life, you gain that much life.

Each opponent loses X life. You gain life equal to the life lost this way.

Deathtouch, lifelink

Destroy target nonartifact creature.

Equipped creature gets +1/+0 and has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Lifelink At the beginning of your end step, if you gained life this turn, you may pay {2}. If you do, draw a card.

Equipped creature has flying. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery. This card enters the battlefield unattached and stays on the battlefield if the creature leaves.)

Equipped creature gets +1/+0, has flying, and is a Bird in addition to its other types. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{W/B}{W/B}: Resolute Rider gains lifelink until end of turn. {W/B}{W/B}{W/B}: Resolute Rider gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Whenever you gain life, target opponent loses that much life.

Flying, lifelink Disguise {W/B}{W/B} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When Sanguine Savior is turned face up, another target creature you control gains lifelink until end of turn.

When Serrated Scorpion dies, it deals 2 damage to each opponent and you gain 2 life.

Sorin's Vengeance deals 10 damage to target player or planeswalker and you gain 10 life.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Lifelink When Vengeant Vampire dies, destroy target creature an opponent controls and you gain 4 life.

Equipped creature has flying. Sacrifice Wings of Hubris: Equipped creature can't be blocked this turn. Sacrifice it at the beginning of the next end step. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature has flying and haste. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Flying Whenever you gain life, put a +1/+1 counter on Elenda's Hierophant. When Elenda's Hierophant dies, create X 1/1 white Vampire creature tokens with lifelink, where X is its power.