Najula, the Blood Blade

Eminence - Whenever you cast a Vampire spell or
a Vampire creature you control attacks, create a
3/3 white, black, and red Vampire creature token
with First Strike, Lifelink, and Wither.
First Strike, Lifelink, and Wither
{w/b}{w/b}{r}{r}: Untap all attacking creatures. They
get +1/+1 and gain trample, flying, and haste
until end of turn. After this phase, there is an additional combat phase. Activate this ability
only during combat.