Mary Magdalene the Saved

Mary Magdalene's Power and Toughness are
equal to the number of Apostles you control.
Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a
card.
{b}{b}, Discard a card: Proliferate. (Choose any
number of permanents and/or players, then give each another counter of each kind already there.)