Night blade of the Moon

Lifelink, double strike, Extort, Frenzy 3
Whenever you gain 10 or more life in a
single turn, you may pay {w/b}{w/b}{3}
to summon five 1/1 Black vampire tokens
with lifelink.
A strange woman with hair as white as snow
and skin to match, She seems indifferent to most
and intrigued by few