Veldrane, Servant of the Baron

At the beginning of your upkeep, each player sacrifices a non-vampire creature. Veldrane gains
+2/0 for each creature sacrificed this way until
end of turn.
{1}{b}{b}: Choose a color. Veldrane gains -2/-0 and hexproof from the chosen color until end of turn
and Veldrane cannot be blocked by creatures
of the chosen color this turn.