Olive and Callie, Lovers

Eminence — Whenever you cast another Vampire spell, if Olive and Callie, Lovers is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.

First Strike, haste

Whenever Olive and Callie, Lovers attacks, put a +1/+1 counter on each Vampire you control

"Drink up babe"-Callie