Birthing Pod

({p/g} can be paid with either {g} or 2 life.)
{1}{p/g},{t}, Sacrifice a creature: Search your
library for a creature card with converted
mana cost equal to 1 plus the sacrificed
creature's converted mana cost. put that
card onto the battlefield, then shuffle your
library. Activate this ability only any time
you could cast a sorcery.