Vigilance

{B}: Sacrifice a Vampire. If you do, Put a +1/+1 counter and a soul counter on Marceline, Vampire Hunter. Then, if you don't control any Vampires, transform Marceline.

Whenever this creature transforms into Marceline, Vampire Queen, it becomes your champion.

If Marceline, Vampire Queen is your champion, it has the first X of the following abilities, where X is the number of soul counters on it, flying, lifelink, deathtouch, indestructible, hexproof.