Ruby, Child of Innistrad

Whenever Ruby, Child of Innistrad or another Vampire enters the battlefield under your control, if it was the last card in your hand when you cast it, you may destroy target creature. If
you do, put a +1/+1 counter on each Vampire
you control.
"I won't show any mercy, because you're my own child and you deserve better." - Olivia Voldaren