Lillith, Mother of Sanctuary

When Lillith, Mother of Sanctuary enters
the battlefield, create 3 Blood tokens
Sacrifice a creature: Make 2 blood tokens
Sacrifice X Blood: gain control of target creature
with X converted mana cost
Lillith's toughness is 2 plus the number of Blood
tokens you control
"By three they come. By three, the way opens.
By the blood of the willing, we call thee home.
Hail, Daughter of Hatred, Mother of Sanctuary.
Hail Lillith" -Ritual to summon Lillith