Malakir Bloodwitch

When this creature enters, target opponent loses 1 life for each Vampire you control.

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each in the mana costs of permanents you control counts toward your devotion to black.)

Converge — When this creature enters, each opponent loses X life and you gain X life, where X is the number of colors of mana spent to cast this spell.

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

Flying

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

Flying

When this creature enters, target opponent loses 3 life and you gain 3 life.