Olivia, the Great

Flying, lifelink.
{1}{r} : Olivia, the Great deals one damage to another target creature. Put a vampiric counter on it and put a +1/+1 counter on Olivia, the Great.
{2}{b}{b} : Take control of target creature with a vampiric counter on it for as long as you control Olivia, the Great. That creature becomes a Vampire in addition to its other types and loses all its vampiric counters. Put a +1/+1 counter on Olivia, the Great.