Adamun, Witherbloom Prodigy

Deathtouch, Lifelink
{2}{g}{b}, {t}: Sacrifice another creature. Sacrifice
a creature: Search your library for a creature card
with mana value equal to 1 plus the sacrificed
creature's mana value, put that card onto the
battlefield, then shuffle. Activate only as a sorcery.
"In the balance of life and death, I find my strength
and purpose."