At the beginning of your upkeep, each player sacrifices a non-Vampire creature.

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

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.

At the beginning of your upkeep, Creeping Bloodsucker deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

Flying, protection from white When Malakir Bloodwitch enters the battlefield, each opponent loses life equal to the number of Vampires you control. You gain life equal to the life lost this way.

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.)

Flying, deathtouch, lifelink

Piranha Marsh enters the battlefield tapped. When Piranha Marsh enters the battlefield, target player loses 1 life. {T}: Add {B}.

You draw two cards and you lose 2 life.