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

Whenever you gain life, each opponent loses 1 life.

Flying Whenever this creature or another creature dies, target player loses 1 life and you gain 1 life.

Skulk (This creature can't be blocked by creatures with greater power.) At the beginning of your end step, each opponent dealt combat damage this game by a creature named Gollum, Obsessed Stalker loses life equal to the amount of life you gained this turn.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Flying When this creature enters, if it was bargained, each opponent loses 3 life and you gain 3 life.

Whenever you gain life, each opponent loses 1 life.

Flying Whenever you commit a crime, each opponent loses 1 life and you gain 1 life. This ability triggers only once each turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life.

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

When this creature enters, each opponent loses 2 life and you gain 2 life.

Whenever another creature you control dies, this creature deals 1 damage to each opponent and you gain 1 life.

Lifelink {B}, Exile this card from your graveyard: Incubate 2. Activate only as a sorcery. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

When this creature enters, you draw X cards and you lose X life, where X is the number of Vampires you control.

Attacking Vampires you control have deathtouch and lifelink. (Any amount of damage they deal to a creature is enough to destroy it. Damage dealt by those creatures also causes their controller to gain that much life.) Whenever a Vampire you control dies, you may pay 2 life. If you do, draw a card.

{T}: Add {B}.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

As this artifact enters, choose a color. Whenever a player casts a spell of the chosen color, you may gain 1 life. {T}: Add one mana of the chosen color.

{T}: Add {C}. You gain 1 life.

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

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Kicker {3}{B} (You may pay an additional {3}{B} as you cast this spell.) Lifelink Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, if it was kicked, return target creature card from your graveyard to the battlefield.

Flying Whenever you gain life, put a +1/+1 counter on this creature.

Flying Whenever another creature dies, put two +1/+1 counters on Sengir. Whenever another player loses the game, you gain life equal to that player's life total as the turn began. Partner (You can have two commanders if both have partner.)

Flying 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.)

Each opponent loses 3 life. You gain life equal to the life lost this way.

Kicker—Tap an untapped Vampire you control. (You may tap a Vampire you control in addition to any other costs as you cast this spell.) Target opponent loses half their life, rounded up. If this spell was kicked, you gain life equal to the life lost this way.

Whenever you gain life, put a +1/+1 counter on this creature.

Flying Whenever you gain life, put a +1/+1 counter on this creature.

Lifelink

Whenever another creature dies, you may gain 1 life.

Whenever a player casts a black spell, you may gain 1 life.

As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Deathtouch, lifelink

Flying, deathtouch, lifelink Nighthawk Scavenger's power is equal to 1 plus the number of card types among cards in your opponents' graveyards.

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.) Other creatures you control have extort. (If a creature has multiple instances of extort, each triggers separately.)

Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life.

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

{T}, Pay 3 life: Flip a coin. If you win the flip, you gain 6 life.

Flying Whenever this creature becomes tapped, you gain 1 life.

Destroy target creature or planeswalker. You gain 1 life for each of its colors.

Flying Whenever this creature or another creature you control dies, each opponent sacrifices a creature of their choice.

Consuming Corruption deals X damage to target creature or planeswalker and you gain X life, where X is the number of Swamps you control.

Target player sacrifices a creature of their choice. You gain life equal to that creature's toughness. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

Flash Flying, lifelink When this creature enters, destroy target creature an opponent controls that was dealt damage this turn.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.