As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

When this creature enters, you may search your library for a Vampire card, reveal it, then shuffle and put that card on top. Whenever another Vampire you control enters, target creature gets +1/+1 until end of turn.

As this artifact enters, choose a creature type. Whenever you cast a spell of the chosen type, put a charge counter on this artifact. Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

Other Vampires you control get +1/+1.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Lifelink Other Vampires you control get +1/+1. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

First strike Other Vampire creatures you control get +1/+1 and have first strike.

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.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{1}{R}, Discard a card, Sacrifice a Vampire: Draw two cards. Activate only if an opponent lost life this turn.

You draw two cards and you lose 2 life.

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Target player draws two cards and loses 2 life.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

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

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

As an additional cost to cast this spell, sacrifice a creature. Add {B}{B}{B}{B}.

Add {B}{B}{B}.

As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

{T}, Sacrifice another creature: Add {B}{B}{B}. Spend this mana only to cast Vampire, Cleric, and/or Demon spells.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

{1}, {T}: Add {B}{R}.

{T}: Add {C}{C}.

Other Vampire creatures you control get +1/+1. Tap five untapped Vampires you control: Gain control of target creature. It becomes a Vampire in addition to its other types.

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Exile target permanent with mana value 4 or greater.

Destroy target creature or planeswalker.

Destroy target artifact, enchantment, or planeswalker.

Destroy target creature or enchantment.

Flying {1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren. {3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.

Each non-Vampire creature gets -X/-X until end of turn, where X is the number of Vampires you control.

Vampires' Vengeance deals 2 damage to each non-Vampire creature. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

As this land enters, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

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

This land enters tapped. When this land enters, you may put target creature card from your graveyard on top of your library. {T}: Add {B}.

({T}: Add {R}.)

This land enters tapped. {T}: Add {R}, {W}, or {B}.

({T}: Add {W}.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {R}, {W}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {B}.)

As Three Tree City enters, choose a creature type. {T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to the number of creatures you control of the chosen type.

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

Whenever this creature or another creature dies, put a +1/+1 counter on each Vampire you control.

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.

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.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink.